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Finding the Fourth Proportional to 234,921.42, 352,134.90 and 149,597.15

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Solution

The fourth proportional to 234,921.42, 352,134.90 and 149,597.15 is: 224,238.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,921.42 : 352,134.90 = 149,597.15 : x
  2. Step 2: Convert to fraction form
    234,921.42/352,134.90 = 149,597.15/x
  3. Step 3: Cross multiply
    234,921.42x = 352,134.90 × 149,597.15
  4. Step 4: Simplify right side
    234,921.42x = 52,678,375,694.86
  5. Step 5: Solve for x
    x = 52,678,375,694.86/234,921.42
  6. Step 6: Final answer
    x = 224,238.28

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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.