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Finding the Fourth Proportional to 237,658.20, 356,541.30 and 79,902.60

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Solution

The fourth proportional to 237,658.20, 356,541.30 and 79,902.60 is: 119,872.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,658.20 : 356,541.30 = 79,902.60 : x
  2. Step 2: Convert to fraction form
    237,658.20/356,541.30 = 79,902.60/x
  3. Step 3: Cross multiply
    237,658.20x = 356,541.30 × 79,902.60
  4. Step 4: Simplify right side
    237,658.20x = 28,488,576,877.38
  5. Step 5: Solve for x
    x = 28,488,576,877.38/237,658.20
  6. Step 6: Final answer
    x = 119,872.06

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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.