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Finding the Fourth Proportional to 174.03, 240.12 and 104.10

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Solution

The fourth proportional to 174.03, 240.12 and 104.10 is: 143.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.03 : 240.12 = 104.10 : x
  2. Step 2: Convert to fraction form
    174.03/240.12 = 104.10/x
  3. Step 3: Cross multiply
    174.03x = 240.12 × 104.10
  4. Step 4: Simplify right side
    174.03x = 24,996.49
  5. Step 5: Solve for x
    x = 24,996.49/174.03
  6. Step 6: Final answer
    x = 143.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.