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Finding the Fourth Proportional to 177.05, 244.02 and 151.97

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Solution

The fourth proportional to 177.05, 244.02 and 151.97 is: 209.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.05 : 244.02 = 151.97 : x
  2. Step 2: Convert to fraction form
    177.05/244.02 = 151.97/x
  3. Step 3: Cross multiply
    177.05x = 244.02 × 151.97
  4. Step 4: Simplify right side
    177.05x = 37,082.50
  5. Step 5: Solve for x
    x = 37,082.50/177.05
  6. Step 6: Final answer
    x = 209.45

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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.