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Finding the Fourth Proportional to 113.83, 170.77 and 32.68

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Solution

The fourth proportional to 113.83, 170.77 and 32.68 is: 49.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    113.83 : 170.77 = 32.68 : x
  2. Step 2: Convert to fraction form
    113.83/170.77 = 32.68/x
  3. Step 3: Cross multiply
    113.83x = 170.77 × 32.68
  4. Step 4: Simplify right side
    113.83x = 5,580.76
  5. Step 5: Solve for x
    x = 5,580.76/113.83
  6. Step 6: Final answer
    x = 49.03

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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.