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Finding the Fourth Proportional to 160.52, 240.84 and 106.79

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Solution

The fourth proportional to 160.52, 240.84 and 106.79 is: 160.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.52 : 240.84 = 106.79 : x
  2. Step 2: Convert to fraction form
    160.52/240.84 = 106.79/x
  3. Step 3: Cross multiply
    160.52x = 240.84 × 106.79
  4. Step 4: Simplify right side
    160.52x = 25,718.10
  5. Step 5: Solve for x
    x = 25,718.10/160.52
  6. Step 6: Final answer
    x = 160.22

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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.