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Finding the Fourth Proportional to 160.22, 240.30 and 44.64

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Solution

The fourth proportional to 160.22, 240.30 and 44.64 is: 66.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.22 : 240.30 = 44.64 : x
  2. Step 2: Convert to fraction form
    160.22/240.30 = 44.64/x
  3. Step 3: Cross multiply
    160.22x = 240.30 × 44.64
  4. Step 4: Simplify right side
    160.22x = 10,726.99
  5. Step 5: Solve for x
    x = 10,726.99/160.22
  6. Step 6: Final answer
    x = 66.95

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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.