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Finding the Fourth Proportional to 163.67, 245.48 and 41.93

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Solution

The fourth proportional to 163.67, 245.48 and 41.93 is: 62.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.67 : 245.48 = 41.93 : x
  2. Step 2: Convert to fraction form
    163.67/245.48 = 41.93/x
  3. Step 3: Cross multiply
    163.67x = 245.48 × 41.93
  4. Step 4: Simplify right side
    163.67x = 10,292.00
  5. Step 5: Solve for x
    x = 10,292.00/163.67
  6. Step 6: Final answer
    x = 62.88

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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.