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Finding the Fourth Proportional to 88,679.30, 133,037.96 and 25,498.87

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Solution

The fourth proportional to 88,679.30, 133,037.96 and 25,498.87 is: 38,253.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.30 : 133,037.96 = 25,498.87 : x
  2. Step 2: Convert to fraction form
    88,679.30/133,037.96 = 25,498.87/x
  3. Step 3: Cross multiply
    88,679.30x = 133,037.96 × 25,498.87
  4. Step 4: Simplify right side
    88,679.30x = 3,392,317,647.11
  5. Step 5: Solve for x
    x = 3,392,317,647.11/88,679.30
  6. Step 6: Final answer
    x = 38,253.77

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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.