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Finding the Fourth Proportional to 234,385.28, 351,599.52 and 76,614.56

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Solution

The fourth proportional to 234,385.28, 351,599.52 and 76,614.56 is: 114,928.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,385.28 : 351,599.52 = 76,614.56 : x
  2. Step 2: Convert to fraction form
    234,385.28/351,599.52 = 76,614.56/x
  3. Step 3: Cross multiply
    234,385.28x = 351,599.52 × 76,614.56
  4. Step 4: Simplify right side
    234,385.28x = 26,937,642,521.01
  5. Step 5: Solve for x
    x = 26,937,642,521.01/234,385.28
  6. Step 6: Final answer
    x = 114,928.90

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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.