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Finding the Fourth Proportional to 174.68, 262.28 and 93.68

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Solution

The fourth proportional to 174.68, 262.28 and 93.68 is: 140.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.68 : 262.28 = 93.68 : x
  2. Step 2: Convert to fraction form
    174.68/262.28 = 93.68/x
  3. Step 3: Cross multiply
    174.68x = 262.28 × 93.68
  4. Step 4: Simplify right side
    174.68x = 24,569.31
  5. Step 5: Solve for x
    x = 24,569.31/174.68
  6. Step 6: Final answer
    x = 140.66

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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.