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Finding the Fourth Proportional to 177.68, 244.68 and 169.04

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Solution

The fourth proportional to 177.68, 244.68 and 169.04 is: 232.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.68 : 244.68 = 169.04 : x
  2. Step 2: Convert to fraction form
    177.68/244.68 = 169.04/x
  3. Step 3: Cross multiply
    177.68x = 244.68 × 169.04
  4. Step 4: Simplify right side
    177.68x = 41,360.71
  5. Step 5: Solve for x
    x = 41,360.71/177.68
  6. Step 6: Final answer
    x = 232.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.