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Finding the Fourth Proportional to 372.62, 558.94 and 116.12

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Solution

The fourth proportional to 372.62, 558.94 and 116.12 is: 174.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.62 : 558.94 = 116.12 : x
  2. Step 2: Convert to fraction form
    372.62/558.94 = 116.12/x
  3. Step 3: Cross multiply
    372.62x = 558.94 × 116.12
  4. Step 4: Simplify right side
    372.62x = 64,904.11
  5. Step 5: Solve for x
    x = 64,904.11/372.62
  6. Step 6: Final answer
    x = 174.18

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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.