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Finding the Fourth Proportional to 221,606.20, 332,312.10 and 88,442.20

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Solution

The fourth proportional to 221,606.20, 332,312.10 and 88,442.20 is: 132,624.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,606.20 : 332,312.10 = 88,442.20 : x
  2. Step 2: Convert to fraction form
    221,606.20/332,312.10 = 88,442.20/x
  3. Step 3: Cross multiply
    221,606.20x = 332,312.10 × 88,442.20
  4. Step 4: Simplify right side
    221,606.20x = 29,390,413,210.62
  5. Step 5: Solve for x
    x = 29,390,413,210.62/221,606.20
  6. Step 6: Final answer
    x = 132,624.51

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1.5x scale

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.