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Finding the Fourth Proportional to 88,338.30, 132,334.65 and 60,344.70

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Solution

The fourth proportional to 88,338.30, 132,334.65 and 60,344.70 is: 90,399.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,338.30 : 132,334.65 = 60,344.70 : x
  2. Step 2: Convert to fraction form
    88,338.30/132,334.65 = 60,344.70/x
  3. Step 3: Cross multiply
    88,338.30x = 132,334.65 × 60,344.70
  4. Step 4: Simplify right side
    88,338.30x = 7,985,694,753.86
  5. Step 5: Solve for x
    x = 7,985,694,753.86/88,338.30
  6. Step 6: Final answer
    x = 90,399.01

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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.