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Finding the Fourth Proportional to 250.32, 375.60 and 113.46

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Solution

The fourth proportional to 250.32, 375.60 and 113.46 is: 170.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.32 : 375.60 = 113.46 : x
  2. Step 2: Convert to fraction form
    250.32/375.60 = 113.46/x
  3. Step 3: Cross multiply
    250.32x = 375.60 × 113.46
  4. Step 4: Simplify right side
    250.32x = 42,615.58
  5. Step 5: Solve for x
    x = 42,615.58/250.32
  6. Step 6: Final answer
    x = 170.24

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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.