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Finding the Fourth Proportional to 240.93, 332.34 and 158.00

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Solution

The fourth proportional to 240.93, 332.34 and 158.00 is: 217.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    240.93 : 332.34 = 158.00 : x
  2. Step 2: Convert to fraction form
    240.93/332.34 = 158.00/x
  3. Step 3: Cross multiply
    240.93x = 332.34 × 158.00
  4. Step 4: Simplify right side
    240.93x = 52,508.06
  5. Step 5: Solve for x
    x = 52,508.06/240.93
  6. Step 6: Final answer
    x = 217.94

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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.