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Finding the Fourth Proportional to 237.24, 355.93 and 74.92

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Solution

The fourth proportional to 237.24, 355.93 and 74.92 is: 112.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.24 : 355.93 = 74.92 : x
  2. Step 2: Convert to fraction form
    237.24/355.93 = 74.92/x
  3. Step 3: Cross multiply
    237.24x = 355.93 × 74.92
  4. Step 4: Simplify right side
    237.24x = 26,666.98
  5. Step 5: Solve for x
    x = 26,666.98/237.24
  6. Step 6: Final answer
    x = 112.41

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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.