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Finding the Fourth Proportional to 175.42, 263.05 and 114.36

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Solution

The fourth proportional to 175.42, 263.05 and 114.36 is: 171.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    175.42 : 263.05 = 114.36 : x
  2. Step 2: Convert to fraction form
    175.42/263.05 = 114.36/x
  3. Step 3: Cross multiply
    175.42x = 263.05 × 114.36
  4. Step 4: Simplify right side
    175.42x = 30,082.61
  5. Step 5: Solve for x
    x = 30,082.61/175.42
  6. Step 6: Final answer
    x = 171.49

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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.