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Finding the Fourth Proportional to 269,375.40, 404,065.12 and 119,575.42

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Solution

The fourth proportional to 269,375.40, 404,065.12 and 119,575.42 is: 179,364.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,375.40 : 404,065.12 = 119,575.42 : x
  2. Step 2: Convert to fraction form
    269,375.40/404,065.12 = 119,575.42/x
  3. Step 3: Cross multiply
    269,375.40x = 404,065.12 × 119,575.42
  4. Step 4: Simplify right side
    269,375.40x = 48,316,255,122.25
  5. Step 5: Solve for x
    x = 48,316,255,122.25/269,375.40
  6. Step 6: Final answer
    x = 179,364.02

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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.