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Finding the Fourth Proportional to 237.46, 356.10 and 72.96

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Solution

The fourth proportional to 237.46, 356.10 and 72.96 is: 109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.46 : 356.10 = 72.96 : x
  2. Step 2: Convert to fraction form
    237.46/356.10 = 72.96/x
  3. Step 3: Cross multiply
    237.46x = 356.10 × 72.96
  4. Step 4: Simplify right side
    237.46x = 25,981.06
  5. Step 5: Solve for x
    x = 25,981.06/237.46
  6. Step 6: Final answer
    x = 109.41

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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.