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Finding the Fourth Proportional to 114.38, 171.57 and 63.01

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Solution

The fourth proportional to 114.38, 171.57 and 63.01 is: 94.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.38 : 171.57 = 63.01 : x
  2. Step 2: Convert to fraction form
    114.38/171.57 = 63.01/x
  3. Step 3: Cross multiply
    114.38x = 171.57 × 63.01
  4. Step 4: Simplify right side
    114.38x = 10,810.31
  5. Step 5: Solve for x
    x = 10,810.31/114.38
  6. Step 6: Final answer
    x = 94.52

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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.