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Finding the Fourth Proportional to 250.16, 345.51 and 167.13

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Solution

The fourth proportional to 250.16, 345.51 and 167.13 is: 230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.16 : 345.51 = 167.13 : x
  2. Step 2: Convert to fraction form
    250.16/345.51 = 167.13/x
  3. Step 3: Cross multiply
    250.16x = 345.51 × 167.13
  4. Step 4: Simplify right side
    250.16x = 57,745.09
  5. Step 5: Solve for x
    x = 57,745.09/250.16
  6. Step 6: Final answer
    x = 230.84

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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.