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Finding the Fourth Proportional to 158.88, 237.96 and 113.04

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Solution

The fourth proportional to 158.88, 237.96 and 113.04 is: 169.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.88 : 237.96 = 113.04 : x
  2. Step 2: Convert to fraction form
    158.88/237.96 = 113.04/x
  3. Step 3: Cross multiply
    158.88x = 237.96 × 113.04
  4. Step 4: Simplify right side
    158.88x = 26,899.00
  5. Step 5: Solve for x
    x = 26,899.00/158.88
  6. Step 6: Final answer
    x = 169.30

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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.