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Finding the Fourth Proportional to 179.97, 269.93 and 58.22

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Solution

The fourth proportional to 179.97, 269.93 and 58.22 is: 87.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.97 : 269.93 = 58.22 : x
  2. Step 2: Convert to fraction form
    179.97/269.93 = 58.22/x
  3. Step 3: Cross multiply
    179.97x = 269.93 × 58.22
  4. Step 4: Simplify right side
    179.97x = 15,713.68
  5. Step 5: Solve for x
    x = 15,713.68/179.97
  6. Step 6: Final answer
    x = 87.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.