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Finding the Fourth Proportional to 221,382.56, 332,235.13 and 88,300.87

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Solution

The fourth proportional to 221,382.56, 332,235.13 and 88,300.87 is: 132,515.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,382.56 : 332,235.13 = 88,300.87 : x
  2. Step 2: Convert to fraction form
    221,382.56/332,235.13 = 88,300.87/x
  3. Step 3: Cross multiply
    221,382.56x = 332,235.13 × 88,300.87
  4. Step 4: Simplify right side
    221,382.56x = 29,336,651,023.56
  5. Step 5: Solve for x
    x = 29,336,651,023.56/221,382.56
  6. Step 6: Final answer
    x = 132,515.64

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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.