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Finding the Fourth Proportional to 88,758.50, 122,487.53 and 48,472.74

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Solution

The fourth proportional to 88,758.50, 122,487.53 and 48,472.74 is: 66,892.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,758.50 : 122,487.53 = 48,472.74 : x
  2. Step 2: Convert to fraction form
    88,758.50/122,487.53 = 48,472.74/x
  3. Step 3: Cross multiply
    88,758.50x = 122,487.53 × 48,472.74
  4. Step 4: Simplify right side
    88,758.50x = 5,937,305,952.57
  5. Step 5: Solve for x
    x = 5,937,305,952.57/88,758.50
  6. Step 6: Final answer
    x = 66,892.82

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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.