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Finding the Fourth Proportional to 88,375.95, 132,563.94 and 72,760.77

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Solution

The fourth proportional to 88,375.95, 132,563.94 and 72,760.77 is: 109,141.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,375.95 : 132,563.94 = 72,760.77 : x
  2. Step 2: Convert to fraction form
    88,375.95/132,563.94 = 72,760.77/x
  3. Step 3: Cross multiply
    88,375.95x = 132,563.94 × 72,760.77
  4. Step 4: Simplify right side
    88,375.95x = 9,645,454,348.63
  5. Step 5: Solve for x
    x = 9,645,454,348.63/88,375.95
  6. Step 6: Final answer
    x = 109,141.17

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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.