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Finding the Fourth Proportional to 344,082.62, 516,123.93 and 107,445.58

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Solution

The fourth proportional to 344,082.62, 516,123.93 and 107,445.58 is: 161,168.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,082.62 : 516,123.93 = 107,445.58 : x
  2. Step 2: Convert to fraction form
    344,082.62/516,123.93 = 107,445.58/x
  3. Step 3: Cross multiply
    344,082.62x = 516,123.93 × 107,445.58
  4. Step 4: Simplify right side
    344,082.62x = 55,455,235,010.73
  5. Step 5: Solve for x
    x = 55,455,235,010.73/344,082.62
  6. Step 6: Final answer
    x = 161,168.37

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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.