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Finding the Fourth Proportional to 88,865,203.43, 122,604,279.68 and 51,687,591.77

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Solution

The fourth proportional to 88,865,203.43, 122,604,279.68 and 51,687,591.77 is: 71,311,601.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,865,203.43 : 122,604,279.68 = 51,687,591.77 : x
  2. Step 2: Convert to fraction form
    88,865,203.43/122,604,279.68 = 51,687,591.77/x
  3. Step 3: Cross multiply
    88,865,203.43x = 122,604,279.68 × 51,687,591.77
  4. Step 4: Simplify right side
    88,865,203.43x = 6,337,119,957,100,827
  5. Step 5: Solve for x
    x = 6,337,119,957,100,827/88,865,203.43
  6. Step 6: Final answer
    x = 71,311,601.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.