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Finding the Fourth Proportional to 179.16, 269.24 and 98.04

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Solution

The fourth proportional to 179.16, 269.24 and 98.04 is: 147.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    179.16 : 269.24 = 98.04 : x
  2. Step 2: Convert to fraction form
    179.16/269.24 = 98.04/x
  3. Step 3: Cross multiply
    179.16x = 269.24 × 98.04
  4. Step 4: Simplify right side
    179.16x = 26,396.29
  5. Step 5: Solve for x
    x = 26,396.29/179.16
  6. Step 6: Final answer
    x = 147.33

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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.