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Finding the Fourth Proportional to 88,590.80, 132,889.80 and 29,432

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Solution

The fourth proportional to 88,590.80, 132,889.80 and 29,432 is: 44,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,590.80 : 132,889.80 = 29,432 : x
  2. Step 2: Convert to fraction form
    88,590.80/132,889.80 = 29,432/x
  3. Step 3: Cross multiply
    88,590.80x = 132,889.80 × 29,432
  4. Step 4: Simplify right side
    88,590.80x = 3,911,212,593.60
  5. Step 5: Solve for x
    x = 3,911,212,593.60/88,590.80
  6. Step 6: Final answer
    x = 44,149.20

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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.