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Finding the Fourth Proportional to 160.62, 240.40 and 108.93

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Solution

The fourth proportional to 160.62, 240.40 and 108.93 is: 163.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    160.62 : 240.40 = 108.93 : x
  2. Step 2: Convert to fraction form
    160.62/240.40 = 108.93/x
  3. Step 3: Cross multiply
    160.62x = 240.40 × 108.93
  4. Step 4: Simplify right side
    160.62x = 26,186.77
  5. Step 5: Solve for x
    x = 26,186.77/160.62
  6. Step 6: Final answer
    x = 163.04

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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.