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Finding the Fourth Proportional to 157.48, 236.20 and 96.59

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Solution

The fourth proportional to 157.48, 236.20 and 96.59 is: 144.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.48 : 236.20 = 96.59 : x
  2. Step 2: Convert to fraction form
    157.48/236.20 = 96.59/x
  3. Step 3: Cross multiply
    157.48x = 236.20 × 96.59
  4. Step 4: Simplify right side
    157.48x = 22,814.56
  5. Step 5: Solve for x
    x = 22,814.56/157.48
  6. Step 6: Final answer
    x = 144.87

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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.