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Finding the Fourth Proportional to 88,605.88, 132,758.37 and 53,471.71

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Solution

The fourth proportional to 88,605.88, 132,758.37 and 53,471.71 is: 80,116.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,605.88 : 132,758.37 = 53,471.71 : x
  2. Step 2: Convert to fraction form
    88,605.88/132,758.37 = 53,471.71/x
  3. Step 3: Cross multiply
    88,605.88x = 132,758.37 × 53,471.71
  4. Step 4: Simplify right side
    88,605.88x = 7,098,817,060.71
  5. Step 5: Solve for x
    x = 7,098,817,060.71/88,605.88
  6. Step 6: Final answer
    x = 80,116.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.