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Finding the Fourth Proportional to 240,396.76, 331,725.20 and 132,964.48

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Solution

The fourth proportional to 240,396.76, 331,725.20 and 132,964.48 is: 183,478.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,396.76 : 331,725.20 = 132,964.48 : x
  2. Step 2: Convert to fraction form
    240,396.76/331,725.20 = 132,964.48/x
  3. Step 3: Cross multiply
    240,396.76x = 331,725.20 × 132,964.48
  4. Step 4: Simplify right side
    240,396.76x = 44,107,668,720.90
  5. Step 5: Solve for x
    x = 44,107,668,720.90/240,396.76
  6. Step 6: Final answer
    x = 183,478.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.