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Finding the Fourth Proportional to 183,789.80, 275,943.90 and 113,805.80

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Solution

The fourth proportional to 183,789.80, 275,943.90 and 113,805.80 is: 170,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,789.80 : 275,943.90 = 113,805.80 : x
  2. Step 2: Convert to fraction form
    183,789.80/275,943.90 = 113,805.80/x
  3. Step 3: Cross multiply
    183,789.80x = 275,943.90 × 113,805.80
  4. Step 4: Simplify right side
    183,789.80x = 31,404,016,294.62
  5. Step 5: Solve for x
    x = 31,404,016,294.62/183,789.80
  6. Step 6: Final answer
    x = 170,869.20

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1.5x scale

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.