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Finding the Fourth Proportional to 113.04, 169.26 and 95.88

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Solution

The fourth proportional to 113.04, 169.26 and 95.88 is: 143.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.04 : 169.26 = 95.88 : x
  2. Step 2: Convert to fraction form
    113.04/169.26 = 95.88/x
  3. Step 3: Cross multiply
    113.04x = 169.26 × 95.88
  4. Step 4: Simplify right side
    113.04x = 16,228.65
  5. Step 5: Solve for x
    x = 16,228.65/113.04
  6. Step 6: Final answer
    x = 143.57

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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.