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Finding the Fourth Proportional to 174.56, 240.90 and 96.93

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Solution

The fourth proportional to 174.56, 240.90 and 96.93 is: 133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    174.56 : 240.90 = 96.93 : x
  2. Step 2: Convert to fraction form
    174.56/240.90 = 96.93/x
  3. Step 3: Cross multiply
    174.56x = 240.90 × 96.93
  4. Step 4: Simplify right side
    174.56x = 23,351.52
  5. Step 5: Solve for x
    x = 23,351.52/174.56
  6. Step 6: Final answer
    x = 133.77

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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.