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Finding the Fourth Proportional to 237,531.72, 356,330.36 and 79,805.28

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Solution

The fourth proportional to 237,531.72, 356,330.36 and 79,805.28 is: 119,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,531.72 : 356,330.36 = 79,805.28 : x
  2. Step 2: Convert to fraction form
    237,531.72/356,330.36 = 79,805.28/x
  3. Step 3: Cross multiply
    237,531.72x = 356,330.36 × 79,805.28
  4. Step 4: Simplify right side
    237,531.72x = 28,437,044,152.30
  5. Step 5: Solve for x
    x = 28,437,044,152.30/237,531.72
  6. Step 6: Final answer
    x = 119,718.93

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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.