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Finding the Fourth Proportional to 361,514.60, 542,269.16 and 108,794

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Solution

The fourth proportional to 361,514.60, 542,269.16 and 108,794 is: 163,190.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,514.60 : 542,269.16 = 108,794 : x
  2. Step 2: Convert to fraction form
    361,514.60/542,269.16 = 108,794/x
  3. Step 3: Cross multiply
    361,514.60x = 542,269.16 × 108,794
  4. Step 4: Simplify right side
    361,514.60x = 58,995,630,993.04
  5. Step 5: Solve for x
    x = 58,995,630,993.04/361,514.60
  6. Step 6: Final answer
    x = 163,190.18

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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.