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Finding the Fourth Proportional to 88,218,124.90, 123,632,920.70 and 88,218,124.90

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Solution

The fourth proportional to 88,218,124.90, 123,632,920.70 and 88,218,124.90 is: 123,632,920.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,218,124.90 : 123,632,920.70 = 88,218,124.90 : x
  2. Step 2: Convert to fraction form
    88,218,124.90/123,632,920.70 = 88,218,124.90/x
  3. Step 3: Cross multiply
    88,218,124.90x = 123,632,920.70 × 88,218,124.90
  4. Step 4: Simplify right side
    88,218,124.90x = 10,906,664,440,064,396
  5. Step 5: Solve for x
    x = 10,906,664,440,064,396/88,218,124.90
  6. Step 6: Final answer
    x = 123,632,920.70

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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.