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Finding the Fourth Proportional to 221,532.40, 332,298.60 and 132,740.20

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Solution

The fourth proportional to 221,532.40, 332,298.60 and 132,740.20 is: 199,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,532.40 : 332,298.60 = 132,740.20 : x
  2. Step 2: Convert to fraction form
    221,532.40/332,298.60 = 132,740.20/x
  3. Step 3: Cross multiply
    221,532.40x = 332,298.60 × 132,740.20
  4. Step 4: Simplify right side
    221,532.40x = 44,109,382,623.72
  5. Step 5: Solve for x
    x = 44,109,382,623.72/221,532.40
  6. Step 6: Final answer
    x = 199,110.30

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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.