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Finding the Fourth Proportional to 95.90, 132.33 and 52.23

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Solution

The fourth proportional to 95.90, 132.33 and 52.23 is: 72.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    95.90 : 132.33 = 52.23 : x
  2. Step 2: Convert to fraction form
    95.90/132.33 = 52.23/x
  3. Step 3: Cross multiply
    95.90x = 132.33 × 52.23
  4. Step 4: Simplify right side
    95.90x = 6,912.04
  5. Step 5: Solve for x
    x = 6,912.04/95.90
  6. Step 6: Final answer
    x = 72.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.