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Finding the Fourth Proportional to 250.19, 345.35 and 167.26

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Solution

The fourth proportional to 250.19, 345.35 and 167.26 is: 230.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.19 : 345.35 = 167.26 : x
  2. Step 2: Convert to fraction form
    250.19/345.35 = 167.26/x
  3. Step 3: Cross multiply
    250.19x = 345.35 × 167.26
  4. Step 4: Simplify right side
    250.19x = 57,763.24
  5. Step 5: Solve for x
    x = 57,763.24/250.19
  6. Step 6: Final answer
    x = 230.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.