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Finding the Fourth Proportional to 174.43, 261.34 and 93.03

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Solution

The fourth proportional to 174.43, 261.34 and 93.03 is: 139.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.43 : 261.34 = 93.03 : x
  2. Step 2: Convert to fraction form
    174.43/261.34 = 93.03/x
  3. Step 3: Cross multiply
    174.43x = 261.34 × 93.03
  4. Step 4: Simplify right side
    174.43x = 24,312.46
  5. Step 5: Solve for x
    x = 24,312.46/174.43
  6. Step 6: Final answer
    x = 139.38

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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.