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Finding the Fourth Proportional to 99,651,200.85, 149,476,801.28 and 99,651,200.85

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Solution

The fourth proportional to 99,651,200.85, 149,476,801.28 and 99,651,200.85 is: 149,476,801.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,651,200.85 : 149,476,801.28 = 99,651,200.85 : x
  2. Step 2: Convert to fraction form
    99,651,200.85/149,476,801.28 = 99,651,200.85/x
  3. Step 3: Cross multiply
    99,651,200.85x = 149,476,801.28 × 99,651,200.85
  4. Step 4: Simplify right side
    99,651,200.85x = 14,895,542,746,270,560
  5. Step 5: Solve for x
    x = 14,895,542,746,270,560/99,651,200.85
  6. Step 6: Final answer
    x = 149,476,801.28

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.