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Finding the Fourth Proportional to 157.54, 236.08 and 114.11

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Solution

The fourth proportional to 157.54, 236.08 and 114.11 is: 170.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    157.54 : 236.08 = 114.11 : x
  2. Step 2: Convert to fraction form
    157.54/236.08 = 114.11/x
  3. Step 3: Cross multiply
    157.54x = 236.08 × 114.11
  4. Step 4: Simplify right side
    157.54x = 26,937.91
  5. Step 5: Solve for x
    x = 26,937.91/157.54
  6. Step 6: Final answer
    x = 170.99

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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.