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Finding the Fourth Proportional to 237,364.20, 356,049.90 and 77,439.42

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Solution

The fourth proportional to 237,364.20, 356,049.90 and 77,439.42 is: 116,160.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,364.20 : 356,049.90 = 77,439.42 : x
  2. Step 2: Convert to fraction form
    237,364.20/356,049.90 = 77,439.42/x
  3. Step 3: Cross multiply
    237,364.20x = 356,049.90 × 77,439.42
  4. Step 4: Simplify right side
    237,364.20x = 27,572,297,747.06
  5. Step 5: Solve for x
    x = 27,572,297,747.06/237,364.20
  6. Step 6: Final answer
    x = 116,160.30

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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.