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Finding the Fourth Proportional to 221,381.56, 332,233.62 and 88,299.87

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Solution

The fourth proportional to 221,381.56, 332,233.62 and 88,299.87 is: 132,514.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,381.56 : 332,233.62 = 88,299.87 : x
  2. Step 2: Convert to fraction form
    221,381.56/332,233.62 = 88,299.87/x
  3. Step 3: Cross multiply
    221,381.56x = 332,233.62 × 88,299.87
  4. Step 4: Simplify right side
    221,381.56x = 29,336,186,492.47
  5. Step 5: Solve for x
    x = 29,336,186,492.47/221,381.56
  6. Step 6: Final answer
    x = 132,514.14

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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.