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Finding the Fourth Proportional to 88,373.52, 132,560.28 and 72,758.34

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Solution

The fourth proportional to 88,373.52, 132,560.28 and 72,758.34 is: 109,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,373.52 : 132,560.28 = 72,758.34 : x
  2. Step 2: Convert to fraction form
    88,373.52/132,560.28 = 72,758.34/x
  3. Step 3: Cross multiply
    88,373.52x = 132,560.28 × 72,758.34
  4. Step 4: Simplify right side
    88,373.52x = 9,644,865,922.74
  5. Step 5: Solve for x
    x = 9,644,865,922.74/88,373.52
  6. Step 6: Final answer
    x = 109,137.51

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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.