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Finding the Fourth Proportional to 468.43, 702.42 and 160.18

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Solution

The fourth proportional to 468.43, 702.42 and 160.18 is: 240.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    468.43 : 702.42 = 160.18 : x
  2. Step 2: Convert to fraction form
    468.43/702.42 = 160.18/x
  3. Step 3: Cross multiply
    468.43x = 702.42 × 160.18
  4. Step 4: Simplify right side
    468.43x = 112,514.78
  5. Step 5: Solve for x
    x = 112,514.78/468.43
  6. Step 6: Final answer
    x = 240.19

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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.