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Finding the Fourth Proportional to 372.63, 558.95 and 116.13

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Solution

The fourth proportional to 372.63, 558.95 and 116.13 is: 174.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372.63 : 558.95 = 116.13 : x
  2. Step 2: Convert to fraction form
    372.63/558.95 = 116.13/x
  3. Step 3: Cross multiply
    372.63x = 558.95 × 116.13
  4. Step 4: Simplify right side
    372.63x = 64,910.86
  5. Step 5: Solve for x
    x = 64,910.86/372.63
  6. Step 6: Final answer
    x = 174.20

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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.