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Finding the Fourth Proportional to 157.62, 236.17 and 95.93

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Solution

The fourth proportional to 157.62, 236.17 and 95.93 is: 143.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.62 : 236.17 = 95.93 : x
  2. Step 2: Convert to fraction form
    157.62/236.17 = 95.93/x
  3. Step 3: Cross multiply
    157.62x = 236.17 × 95.93
  4. Step 4: Simplify right side
    157.62x = 22,655.31
  5. Step 5: Solve for x
    x = 22,655.31/157.62
  6. Step 6: Final answer
    x = 143.74

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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.