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Finding the Fourth Proportional to 177.13, 244.35 and 114.94

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Solution

The fourth proportional to 177.13, 244.35 and 114.94 is: 158.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.13 : 244.35 = 114.94 : x
  2. Step 2: Convert to fraction form
    177.13/244.35 = 114.94/x
  3. Step 3: Cross multiply
    177.13x = 244.35 × 114.94
  4. Step 4: Simplify right side
    177.13x = 28,085.59
  5. Step 5: Solve for x
    x = 28,085.59/177.13
  6. Step 6: Final answer
    x = 158.56

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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.