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Finding the Fourth Proportional to 177.06, 244.36 and 114.88

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Solution

The fourth proportional to 177.06, 244.36 and 114.88 is: 158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.06 : 244.36 = 114.88 : x
  2. Step 2: Convert to fraction form
    177.06/244.36 = 114.88/x
  3. Step 3: Cross multiply
    177.06x = 244.36 × 114.88
  4. Step 4: Simplify right side
    177.06x = 28,072.08
  5. Step 5: Solve for x
    x = 28,072.08/177.06
  6. Step 6: Final answer
    x = 158.55

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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.