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Finding the Fourth Proportional to 177.01, 244.16 and 124.56

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Solution

The fourth proportional to 177.01, 244.16 and 124.56 is: 171.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.01 : 244.16 = 124.56 : x
  2. Step 2: Convert to fraction form
    177.01/244.16 = 124.56/x
  3. Step 3: Cross multiply
    177.01x = 244.16 × 124.56
  4. Step 4: Simplify right side
    177.01x = 30,411.47
  5. Step 5: Solve for x
    x = 30,411.47/177.01
  6. Step 6: Final answer
    x = 171.81

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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.