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Finding the Fourth Proportional to 174.13, 240.29 and 96.50

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Solution

The fourth proportional to 174.13, 240.29 and 96.50 is: 133.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.13 : 240.29 = 96.50 : x
  2. Step 2: Convert to fraction form
    174.13/240.29 = 96.50/x
  3. Step 3: Cross multiply
    174.13x = 240.29 × 96.50
  4. Step 4: Simplify right side
    174.13x = 23,187.99
  5. Step 5: Solve for x
    x = 23,187.99/174.13
  6. Step 6: Final answer
    x = 133.16

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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.