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Finding the Fourth Proportional to 114.34, 171.52 and 59.48

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Solution

The fourth proportional to 114.34, 171.52 and 59.48 is: 89.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.34 : 171.52 = 59.48 : x
  2. Step 2: Convert to fraction form
    114.34/171.52 = 59.48/x
  3. Step 3: Cross multiply
    114.34x = 171.52 × 59.48
  4. Step 4: Simplify right side
    114.34x = 10,201.15
  5. Step 5: Solve for x
    x = 10,201.15/114.34
  6. Step 6: Final answer
    x = 89.22

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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.