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Finding the Fourth Proportional to 250.07, 374.94 and 113.18

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Solution

The fourth proportional to 250.07, 374.94 and 113.18 is: 169.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.07 : 374.94 = 113.18 : x
  2. Step 2: Convert to fraction form
    250.07/374.94 = 113.18/x
  3. Step 3: Cross multiply
    250.07x = 374.94 × 113.18
  4. Step 4: Simplify right side
    250.07x = 42,433.83
  5. Step 5: Solve for x
    x = 42,433.83/250.07
  6. Step 6: Final answer
    x = 169.69

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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.