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Finding the Fourth Proportional to 177.42, 244.98 and 134.22

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Solution

The fourth proportional to 177.42, 244.98 and 134.22 is: 185.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.42 : 244.98 = 134.22 : x
  2. Step 2: Convert to fraction form
    177.42/244.98 = 134.22/x
  3. Step 3: Cross multiply
    177.42x = 244.98 × 134.22
  4. Step 4: Simplify right side
    177.42x = 32,881.22
  5. Step 5: Solve for x
    x = 32,881.22/177.42
  6. Step 6: Final answer
    x = 185.33

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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.