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Finding the Fourth Proportional to 149,476,780.80, 224,215,171.20 and 149,476,780.80

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Solution

The fourth proportional to 149,476,780.80, 224,215,171.20 and 149,476,780.80 is: 224,215,171.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,476,780.80 : 224,215,171.20 = 149,476,780.80 : x
  2. Step 2: Convert to fraction form
    149,476,780.80/224,215,171.20 = 149,476,780.80/x
  3. Step 3: Cross multiply
    149,476,780.80x = 224,215,171.20 × 149,476,780.80
  4. Step 4: Simplify right side
    149,476,780.80x = 33,514,961,997,496,872
  5. Step 5: Solve for x
    x = 33,514,961,997,496,872/149,476,780.80
  6. Step 6: Final answer
    x = 224,215,171.20

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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.