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Finding the Fourth Proportional to 237.98, 356.54 and 179.87

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Solution

The fourth proportional to 237.98, 356.54 and 179.87 is: 269.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.98 : 356.54 = 179.87 : x
  2. Step 2: Convert to fraction form
    237.98/356.54 = 179.87/x
  3. Step 3: Cross multiply
    237.98x = 356.54 × 179.87
  4. Step 4: Simplify right side
    237.98x = 64,129.07
  5. Step 5: Solve for x
    x = 64,129.07/237.98
  6. Step 6: Final answer
    x = 269.47

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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.