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Finding the Fourth Proportional to 237.76, 356.50 and 93.31

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Solution

The fourth proportional to 237.76, 356.50 and 93.31 is: 139.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.76 : 356.50 = 93.31 : x
  2. Step 2: Convert to fraction form
    237.76/356.50 = 93.31/x
  3. Step 3: Cross multiply
    237.76x = 356.50 × 93.31
  4. Step 4: Simplify right side
    237.76x = 33,265.02
  5. Step 5: Solve for x
    x = 33,265.02/237.76
  6. Step 6: Final answer
    x = 139.91

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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.