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Finding the Fourth Proportional to 68,902,691.80, 103,354,037.70 and 59,549,330.20

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Solution

The fourth proportional to 68,902,691.80, 103,354,037.70 and 59,549,330.20 is: 89,323,995.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,902,691.80 : 103,354,037.70 = 59,549,330.20 : x
  2. Step 2: Convert to fraction form
    68,902,691.80/103,354,037.70 = 59,549,330.20/x
  3. Step 3: Cross multiply
    68,902,691.80x = 103,354,037.70 × 59,549,330.20
  4. Step 4: Simplify right side
    68,902,691.80x = 6,154,663,718,500,549
  5. Step 5: Solve for x
    x = 6,154,663,718,500,549/68,902,691.80
  6. Step 6: Final answer
    x = 89,323,995.30

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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.