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Finding the Fourth Proportional to 269,001.60, 403,329.60 and 111,292.80

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Solution

The fourth proportional to 269,001.60, 403,329.60 and 111,292.80 is: 166,867.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,001.60 : 403,329.60 = 111,292.80 : x
  2. Step 2: Convert to fraction form
    269,001.60/403,329.60 = 111,292.80/x
  3. Step 3: Cross multiply
    269,001.60x = 403,329.60 × 111,292.80
  4. Step 4: Simplify right side
    269,001.60x = 44,887,680,506.88
  5. Step 5: Solve for x
    x = 44,887,680,506.88/269,001.60
  6. Step 6: Final answer
    x = 166,867.71

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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.