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Finding the Fourth Proportional to 88,646.28, 132,938.76 and 25,449.27

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Solution

The fourth proportional to 88,646.28, 132,938.76 and 25,449.27 is: 38,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,646.28 : 132,938.76 = 25,449.27 : x
  2. Step 2: Convert to fraction form
    88,646.28/132,938.76 = 25,449.27/x
  3. Step 3: Cross multiply
    88,646.28x = 132,938.76 × 25,449.27
  4. Step 4: Simplify right side
    88,646.28x = 3,383,194,396.71
  5. Step 5: Solve for x
    x = 3,383,194,396.71/88,646.28
  6. Step 6: Final answer
    x = 38,165.10

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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.