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Finding the Fourth Proportional to 88,614.80, 132,876.60 and 26,277.20

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Solution

The fourth proportional to 88,614.80, 132,876.60 and 26,277.20 is: 39,402.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,614.80 : 132,876.60 = 26,277.20 : x
  2. Step 2: Convert to fraction form
    88,614.80/132,876.60 = 26,277.20/x
  3. Step 3: Cross multiply
    88,614.80x = 132,876.60 × 26,277.20
  4. Step 4: Simplify right side
    88,614.80x = 3,491,624,993.52
  5. Step 5: Solve for x
    x = 3,491,624,993.52/88,614.80
  6. Step 6: Final answer
    x = 39,402.28

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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.