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Finding the Fourth Proportional to 113.62, 170.50 and 41.46

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Solution

The fourth proportional to 113.62, 170.50 and 41.46 is: 62.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.62 : 170.50 = 41.46 : x
  2. Step 2: Convert to fraction form
    113.62/170.50 = 41.46/x
  3. Step 3: Cross multiply
    113.62x = 170.50 × 41.46
  4. Step 4: Simplify right side
    113.62x = 7,068.93
  5. Step 5: Solve for x
    x = 7,068.93/113.62
  6. Step 6: Final answer
    x = 62.22

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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.