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Finding the Fourth Proportional to 174.49, 261.46 and 93.08

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Solution

The fourth proportional to 174.49, 261.46 and 93.08 is: 139.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.49 : 261.46 = 93.08 : x
  2. Step 2: Convert to fraction form
    174.49/261.46 = 93.08/x
  3. Step 3: Cross multiply
    174.49x = 261.46 × 93.08
  4. Step 4: Simplify right side
    174.49x = 24,337.47
  5. Step 5: Solve for x
    x = 24,337.47/174.49
  6. Step 6: Final answer
    x = 139.48

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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.