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Finding the Fourth Proportional to 177.20, 244.58 and 110.84

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Solution

The fourth proportional to 177.20, 244.58 and 110.84 is: 152.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177.20 : 244.58 = 110.84 : x
  2. Step 2: Convert to fraction form
    177.20/244.58 = 110.84/x
  3. Step 3: Cross multiply
    177.20x = 244.58 × 110.84
  4. Step 4: Simplify right side
    177.20x = 27,109.25
  5. Step 5: Solve for x
    x = 27,109.25/177.20
  6. Step 6: Final answer
    x = 152.99

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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.