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Finding the Fourth Proportional to 69,545,787.20, 97,565,656 and 69,545,787.20

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Solution

The fourth proportional to 69,545,787.20, 97,565,656 and 69,545,787.20 is: 97,565,656

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,545,787.20 : 97,565,656 = 69,545,787.20 : x
  2. Step 2: Convert to fraction form
    69,545,787.20/97,565,656 = 69,545,787.20/x
  3. Step 3: Cross multiply
    69,545,787.20x = 97,565,656 × 69,545,787.20
  4. Step 4: Simplify right side
    69,545,787.20x = 6,785,280,350,204,403
  5. Step 5: Solve for x
    x = 6,785,280,350,204,403/69,545,787.20
  6. Step 6: Final answer
    x = 97,565,656

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.