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Finding the Fourth Proportional to 160.46, 240.64 and 44.87

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Solution

The fourth proportional to 160.46, 240.64 and 44.87 is: 67.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.46 : 240.64 = 44.87 : x
  2. Step 2: Convert to fraction form
    160.46/240.64 = 44.87/x
  3. Step 3: Cross multiply
    160.46x = 240.64 × 44.87
  4. Step 4: Simplify right side
    160.46x = 10,797.29
  5. Step 5: Solve for x
    x = 10,797.29/160.46
  6. Step 6: Final answer
    x = 67.29

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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.