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Finding the Fourth Proportional to 221,600.88, 332,404.56 and 55,388.88

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Solution

The fourth proportional to 221,600.88, 332,404.56 and 55,388.88 is: 83,084.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,600.88 : 332,404.56 = 55,388.88 : x
  2. Step 2: Convert to fraction form
    221,600.88/332,404.56 = 55,388.88/x
  3. Step 3: Cross multiply
    221,600.88x = 332,404.56 × 55,388.88
  4. Step 4: Simplify right side
    221,600.88x = 18,411,516,285.29
  5. Step 5: Solve for x
    x = 18,411,516,285.29/221,600.88
  6. Step 6: Final answer
    x = 83,084.13

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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.