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Finding the Fourth Proportional to 88,753.29, 122,474.76 and 51,970.68

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Solution

The fourth proportional to 88,753.29, 122,474.76 and 51,970.68 is: 71,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,753.29 : 122,474.76 = 51,970.68 : x
  2. Step 2: Convert to fraction form
    88,753.29/122,474.76 = 51,970.68/x
  3. Step 3: Cross multiply
    88,753.29x = 122,474.76 × 51,970.68
  4. Step 4: Simplify right side
    88,753.29x = 6,365,096,560.04
  5. Step 5: Solve for x
    x = 6,365,096,560.04/88,753.29
  6. Step 6: Final answer
    x = 71,716.74

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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.