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Finding the Fourth Proportional to 88,535.68, 132,777.60 and 72,914.56

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Solution

The fourth proportional to 88,535.68, 132,777.60 and 72,914.56 is: 109,350.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,535.68 : 132,777.60 = 72,914.56 : x
  2. Step 2: Convert to fraction form
    88,535.68/132,777.60 = 72,914.56/x
  3. Step 3: Cross multiply
    88,535.68x = 132,777.60 × 72,914.56
  4. Step 4: Simplify right side
    88,535.68x = 9,681,420,281.86
  5. Step 5: Solve for x
    x = 9,681,420,281.86/88,535.68
  6. Step 6: Final answer
    x = 109,350.49

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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.