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Finding the Fourth Proportional to 240.16, 360.46 and 118.48

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Solution

The fourth proportional to 240.16, 360.46 and 118.48 is: 177.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.16 : 360.46 = 118.48 : x
  2. Step 2: Convert to fraction form
    240.16/360.46 = 118.48/x
  3. Step 3: Cross multiply
    240.16x = 360.46 × 118.48
  4. Step 4: Simplify right side
    240.16x = 42,707.30
  5. Step 5: Solve for x
    x = 42,707.30/240.16
  6. Step 6: Final answer
    x = 177.83

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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.