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Finding the Fourth Proportional to 177.24, 244.62 and 159

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Solution

The fourth proportional to 177.24, 244.62 and 159 is: 219.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.24 : 244.62 = 159 : x
  2. Step 2: Convert to fraction form
    177.24/244.62 = 159/x
  3. Step 3: Cross multiply
    177.24x = 244.62 × 159
  4. Step 4: Simplify right side
    177.24x = 38,894.58
  5. Step 5: Solve for x
    x = 38,894.58/177.24
  6. Step 6: Final answer
    x = 219.45

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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.