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Finding the Fourth Proportional to 67,909,331.40, 101,863,997.10 and 67,909,331.40

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Solution

The fourth proportional to 67,909,331.40, 101,863,997.10 and 67,909,331.40 is: 101,863,997.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,909,331.40 : 101,863,997.10 = 67,909,331.40 : x
  2. Step 2: Convert to fraction form
    67,909,331.40/101,863,997.10 = 67,909,331.40/x
  3. Step 3: Cross multiply
    67,909,331.40x = 101,863,997.10 × 67,909,331.40
  4. Step 4: Simplify right side
    67,909,331.40x = 6,917,515,936,792,539
  5. Step 5: Solve for x
    x = 6,917,515,936,792,539/67,909,331.40
  6. Step 6: Final answer
    x = 101,863,997.10

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