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Finding the Fourth Proportional to 237,486.78, 356,241.24 and 132,226.47

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Solution

The fourth proportional to 237,486.78, 356,241.24 and 132,226.47 is: 198,345.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,486.78 : 356,241.24 = 132,226.47 : x
  2. Step 2: Convert to fraction form
    237,486.78/356,241.24 = 132,226.47/x
  3. Step 3: Cross multiply
    237,486.78x = 356,241.24 × 132,226.47
  4. Step 4: Simplify right side
    237,486.78x = 47,104,521,633.62
  5. Step 5: Solve for x
    x = 47,104,521,633.62/237,486.78
  6. Step 6: Final answer
    x = 198,345.87

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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.