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Finding the Fourth Proportional to 269,456.90, 404,331.15 and 111,701.30

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Solution

The fourth proportional to 269,456.90, 404,331.15 and 111,701.30 is: 167,612.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,456.90 : 404,331.15 = 111,701.30 : x
  2. Step 2: Convert to fraction form
    269,456.90/404,331.15 = 111,701.30/x
  3. Step 3: Cross multiply
    269,456.90x = 404,331.15 × 111,701.30
  4. Step 4: Simplify right side
    269,456.90x = 45,164,315,085.50
  5. Step 5: Solve for x
    x = 45,164,315,085.50/269,456.90
  6. Step 6: Final answer
    x = 167,612.39

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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.