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Finding the Fourth Proportional to 221,502.40, 332,253.60 and 132,710.20

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Solution

The fourth proportional to 221,502.40, 332,253.60 and 132,710.20 is: 199,065.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,502.40 : 332,253.60 = 132,710.20 : x
  2. Step 2: Convert to fraction form
    221,502.40/332,253.60 = 132,710.20/x
  3. Step 3: Cross multiply
    221,502.40x = 332,253.60 × 132,710.20
  4. Step 4: Simplify right side
    221,502.40x = 44,093,441,706.72
  5. Step 5: Solve for x
    x = 44,093,441,706.72/221,502.40
  6. Step 6: Final answer
    x = 199,065.30

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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.