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Finding the Fourth Proportional to 158.22, 237.26 and 60.70

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Solution

The fourth proportional to 158.22, 237.26 and 60.70 is: 91.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    158.22 : 237.26 = 60.70 : x
  2. Step 2: Convert to fraction form
    158.22/237.26 = 60.70/x
  3. Step 3: Cross multiply
    158.22x = 237.26 × 60.70
  4. Step 4: Simplify right side
    158.22x = 14,401.68
  5. Step 5: Solve for x
    x = 14,401.68/158.22
  6. Step 6: Final answer
    x = 91.02

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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.