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Finding the Fourth Proportional to 177.14, 244.50 and 118.04

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Solution

The fourth proportional to 177.14, 244.50 and 118.04 is: 162.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.14 : 244.50 = 118.04 : x
  2. Step 2: Convert to fraction form
    177.14/244.50 = 118.04/x
  3. Step 3: Cross multiply
    177.14x = 244.50 × 118.04
  4. Step 4: Simplify right side
    177.14x = 28,860.78
  5. Step 5: Solve for x
    x = 28,860.78/177.14
  6. Step 6: Final answer
    x = 162.93

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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.