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Finding the Fourth Proportional to 113.31, 170.00 and 41.16

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Solution

The fourth proportional to 113.31, 170.00 and 41.16 is: 61.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.31 : 170.00 = 41.16 : x
  2. Step 2: Convert to fraction form
    113.31/170.00 = 41.16/x
  3. Step 3: Cross multiply
    113.31x = 170.00 × 41.16
  4. Step 4: Simplify right side
    113.31x = 6,996.99
  5. Step 5: Solve for x
    x = 6,996.99/113.31
  6. Step 6: Final answer
    x = 61.75

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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.