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Finding the Fourth Proportional to 249.15, 373.73 and 95.07

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Solution

The fourth proportional to 249.15, 373.73 and 95.07 is: 142.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249.15 : 373.73 = 95.07 : x
  2. Step 2: Convert to fraction form
    249.15/373.73 = 95.07/x
  3. Step 3: Cross multiply
    249.15x = 373.73 × 95.07
  4. Step 4: Simplify right side
    249.15x = 35,530.51
  5. Step 5: Solve for x
    x = 35,530.51/249.15
  6. Step 6: Final answer
    x = 142.61

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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.