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Finding the Fourth Proportional to 177.59, 244.94 and 140.84

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Solution

The fourth proportional to 177.59, 244.94 and 140.84 is: 194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.59 : 244.94 = 140.84 : x
  2. Step 2: Convert to fraction form
    177.59/244.94 = 140.84/x
  3. Step 3: Cross multiply
    177.59x = 244.94 × 140.84
  4. Step 4: Simplify right side
    177.59x = 34,495.42
  5. Step 5: Solve for x
    x = 34,495.42/177.59
  6. Step 6: Final answer
    x = 194.25

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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.