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Finding the Fourth Proportional to 163.29, 244.93 and 117.93

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Solution

The fourth proportional to 163.29, 244.93 and 117.93 is: 176.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    163.29 : 244.93 = 117.93 : x
  2. Step 2: Convert to fraction form
    163.29/244.93 = 117.93/x
  3. Step 3: Cross multiply
    163.29x = 244.93 × 117.93
  4. Step 4: Simplify right side
    163.29x = 28,884.59
  5. Step 5: Solve for x
    x = 28,884.59/163.29
  6. Step 6: Final answer
    x = 176.89

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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.