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Finding the Fourth Proportional to 249.06, 373.72 and 95.16

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Solution

The fourth proportional to 249.06, 373.72 and 95.16 is: 142.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.06 : 373.72 = 95.16 : x
  2. Step 2: Convert to fraction form
    249.06/373.72 = 95.16/x
  3. Step 3: Cross multiply
    249.06x = 373.72 × 95.16
  4. Step 4: Simplify right side
    249.06x = 35,563.20
  5. Step 5: Solve for x
    x = 35,563.20/249.06
  6. Step 6: Final answer
    x = 142.79

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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.