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Finding the Fourth Proportional to 221,446.91, 332,009.43 and 88,287.23

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Solution

The fourth proportional to 221,446.91, 332,009.43 and 88,287.23 is: 132,366.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,446.91 : 332,009.43 = 88,287.23 : x
  2. Step 2: Convert to fraction form
    221,446.91/332,009.43 = 88,287.23/x
  3. Step 3: Cross multiply
    221,446.91x = 332,009.43 × 88,287.23
  4. Step 4: Simplify right side
    221,446.91x = 29,312,191,248.53
  5. Step 5: Solve for x
    x = 29,312,191,248.53/221,446.91
  6. Step 6: Final answer
    x = 132,366.68

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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.