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Finding the Fourth Proportional to 60,553,685.90, 90,830,528.85 and 60,553,685.90

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Solution

The fourth proportional to 60,553,685.90, 90,830,528.85 and 60,553,685.90 is: 90,830,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,553,685.90 : 90,830,528.85 = 60,553,685.90 : x
  2. Step 2: Convert to fraction form
    60,553,685.90/90,830,528.85 = 60,553,685.90/x
  3. Step 3: Cross multiply
    60,553,685.90x = 90,830,528.85 × 60,553,685.90
  4. Step 4: Simplify right side
    60,553,685.90x = 5,500,123,314,113,788
  5. Step 5: Solve for x
    x = 5,500,123,314,113,788/60,553,685.90
  6. Step 6: Final answer
    x = 90,830,528.85

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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.