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Finding the Fourth Proportional to 237.96, 356.88 and 146.53

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Solution

The fourth proportional to 237.96, 356.88 and 146.53 is: 219.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.96 : 356.88 = 146.53 : x
  2. Step 2: Convert to fraction form
    237.96/356.88 = 146.53/x
  3. Step 3: Cross multiply
    237.96x = 356.88 × 146.53
  4. Step 4: Simplify right side
    237.96x = 52,292.73
  5. Step 5: Solve for x
    x = 52,292.73/237.96
  6. Step 6: Final answer
    x = 219.75

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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.