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Finding the Fourth Proportional to 113.50, 170.24 and 41.34

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Solution

The fourth proportional to 113.50, 170.24 and 41.34 is: 62.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.50 : 170.24 = 41.34 : x
  2. Step 2: Convert to fraction form
    113.50/170.24 = 41.34/x
  3. Step 3: Cross multiply
    113.50x = 170.24 × 41.34
  4. Step 4: Simplify right side
    113.50x = 7,038.15
  5. Step 5: Solve for x
    x = 7,038.15/113.50
  6. Step 6: Final answer
    x = 62.01

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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.