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Finding the Fourth Proportional to 177.40, 244.97 and 112.02

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Solution

The fourth proportional to 177.40, 244.97 and 112.02 is: 154.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.40 : 244.97 = 112.02 : x
  2. Step 2: Convert to fraction form
    177.40/244.97 = 112.02/x
  3. Step 3: Cross multiply
    177.40x = 244.97 × 112.02
  4. Step 4: Simplify right side
    177.40x = 27,440.98
  5. Step 5: Solve for x
    x = 27,440.98/177.40
  6. Step 6: Final answer
    x = 154.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.