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Finding the Fourth Proportional to 240.93, 360.61 and 158.73

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Solution

The fourth proportional to 240.93, 360.61 and 158.73 is: 237.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.93 : 360.61 = 158.73 : x
  2. Step 2: Convert to fraction form
    240.93/360.61 = 158.73/x
  3. Step 3: Cross multiply
    240.93x = 360.61 × 158.73
  4. Step 4: Simplify right side
    240.93x = 57,239.50
  5. Step 5: Solve for x
    x = 57,239.50/240.93
  6. Step 6: Final answer
    x = 237.58

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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.