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Finding the Fourth Proportional to 269,725.20, 404,733.60 and 119,988.60

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Solution

The fourth proportional to 269,725.20, 404,733.60 and 119,988.60 is: 180,047.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,725.20 : 404,733.60 = 119,988.60 : x
  2. Step 2: Convert to fraction form
    269,725.20/404,733.60 = 119,988.60/x
  3. Step 3: Cross multiply
    269,725.20x = 404,733.60 × 119,988.60
  4. Step 4: Simplify right side
    269,725.20x = 48,563,418,036.96
  5. Step 5: Solve for x
    x = 48,563,418,036.96/269,725.20
  6. Step 6: Final answer
    x = 180,047.76

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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.