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Finding the Fourth Proportional to 179.66, 269.50 and 92.98

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Solution

The fourth proportional to 179.66, 269.50 and 92.98 is: 139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.66 : 269.50 = 92.98 : x
  2. Step 2: Convert to fraction form
    179.66/269.50 = 92.98/x
  3. Step 3: Cross multiply
    179.66x = 269.50 × 92.98
  4. Step 4: Simplify right side
    179.66x = 25,058.11
  5. Step 5: Solve for x
    x = 25,058.11/179.66
  6. Step 6: Final answer
    x = 139.48

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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.