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Finding the Fourth Proportional to 68,954,691.60, 103,432,037.40 and 23,517,968.40

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Solution

The fourth proportional to 68,954,691.60, 103,432,037.40 and 23,517,968.40 is: 35,276,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,954,691.60 : 103,432,037.40 = 23,517,968.40 : x
  2. Step 2: Convert to fraction form
    68,954,691.60/103,432,037.40 = 23,517,968.40/x
  3. Step 3: Cross multiply
    68,954,691.60x = 103,432,037.40 × 23,517,968.40
  4. Step 4: Simplify right side
    68,954,691.60x = 2,432,511,387,120,818
  5. Step 5: Solve for x
    x = 2,432,511,387,120,818/68,954,691.60
  6. Step 6: Final answer
    x = 35,276,952.60

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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.