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Finding the Fourth Proportional to 240,882.40, 360,934.80 and 151,976.80

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Solution

The fourth proportional to 240,882.40, 360,934.80 and 151,976.80 is: 227,719.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,882.40 : 360,934.80 = 151,976.80 : x
  2. Step 2: Convert to fraction form
    240,882.40/360,934.80 = 151,976.80/x
  3. Step 3: Cross multiply
    240,882.40x = 360,934.80 × 151,976.80
  4. Step 4: Simplify right side
    240,882.40x = 54,853,715,912.64
  5. Step 5: Solve for x
    x = 54,853,715,912.64/240,882.40
  6. Step 6: Final answer
    x = 227,719.90

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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.