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Finding the Fourth Proportional to 220,234.80, 329,833.80 and 149,732.40

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Solution

The fourth proportional to 220,234.80, 329,833.80 and 149,732.40 is: 224,246.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,234.80 : 329,833.80 = 149,732.40 : x
  2. Step 2: Convert to fraction form
    220,234.80/329,833.80 = 149,732.40/x
  3. Step 3: Cross multiply
    220,234.80x = 329,833.80 × 149,732.40
  4. Step 4: Simplify right side
    220,234.80x = 49,386,806,475.12
  5. Step 5: Solve for x
    x = 49,386,806,475.12/220,234.80
  6. Step 6: Final answer
    x = 224,246.15

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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.