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Finding the Fourth Proportional to 468.12, 702.27 and 159.96

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Solution

The fourth proportional to 468.12, 702.27 and 159.96 is: 239.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.12 : 702.27 = 159.96 : x
  2. Step 2: Convert to fraction form
    468.12/702.27 = 159.96/x
  3. Step 3: Cross multiply
    468.12x = 702.27 × 159.96
  4. Step 4: Simplify right side
    468.12x = 112,335.11
  5. Step 5: Solve for x
    x = 112,335.11/468.12
  6. Step 6: Final answer
    x = 239.97

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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.