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Finding the Fourth Proportional to 221,500.12, 332,045.52 and 88,348

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Solution

The fourth proportional to 221,500.12, 332,045.52 and 88,348 is: 132,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,500.12 : 332,045.52 = 88,348 : x
  2. Step 2: Convert to fraction form
    221,500.12/332,045.52 = 88,348/x
  3. Step 3: Cross multiply
    221,500.12x = 332,045.52 × 88,348
  4. Step 4: Simplify right side
    221,500.12x = 29,335,557,600.96
  5. Step 5: Solve for x
    x = 29,335,557,600.96/221,500.12
  6. Step 6: Final answer
    x = 132,440.37

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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.