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Finding the Fourth Proportional to 88,460.85, 132,691.28 and 87,002.85

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Solution

The fourth proportional to 88,460.85, 132,691.28 and 87,002.85 is: 130,504.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,460.85 : 132,691.28 = 87,002.85 : x
  2. Step 2: Convert to fraction form
    88,460.85/132,691.28 = 87,002.85/x
  3. Step 3: Cross multiply
    88,460.85x = 132,691.28 × 87,002.85
  4. Step 4: Simplify right side
    88,460.85x = 11,544,519,095.13
  5. Step 5: Solve for x
    x = 11,544,519,095.13/88,460.85
  6. Step 6: Final answer
    x = 130,504.28

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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.