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Finding the Fourth Proportional to 88,129.80, 132,216.57 and 41,328

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Solution

The fourth proportional to 88,129.80, 132,216.57 and 41,328 is: 62,002.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,129.80 : 132,216.57 = 41,328 : x
  2. Step 2: Convert to fraction form
    88,129.80/132,216.57 = 41,328/x
  3. Step 3: Cross multiply
    88,129.80x = 132,216.57 × 41,328
  4. Step 4: Simplify right side
    88,129.80x = 5,464,246,404.96
  5. Step 5: Solve for x
    x = 5,464,246,404.96/88,129.80
  6. Step 6: Final answer
    x = 62,002.26

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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.