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Finding the Fourth Proportional to 169.04, 253.48 and 158.26

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Solution

The fourth proportional to 169.04, 253.48 and 158.26 is: 237.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    169.04 : 253.48 = 158.26 : x
  2. Step 2: Convert to fraction form
    169.04/253.48 = 158.26/x
  3. Step 3: Cross multiply
    169.04x = 253.48 × 158.26
  4. Step 4: Simplify right side
    169.04x = 40,115.74
  5. Step 5: Solve for x
    x = 40,115.74/169.04
  6. Step 6: Final answer
    x = 237.32

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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.