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Finding the Fourth Proportional to 240.96, 360.92 and 117.38

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Solution

The fourth proportional to 240.96, 360.92 and 117.38 is: 175.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.96 : 360.92 = 117.38 : x
  2. Step 2: Convert to fraction form
    240.96/360.92 = 117.38/x
  3. Step 3: Cross multiply
    240.96x = 360.92 × 117.38
  4. Step 4: Simplify right side
    240.96x = 42,364.79
  5. Step 5: Solve for x
    x = 42,364.79/240.96
  6. Step 6: Final answer
    x = 175.82

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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.