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Finding the Fourth Proportional to 269,377.20, 404,027.40 and 91,892.40

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Solution

The fourth proportional to 269,377.20, 404,027.40 and 91,892.40 is: 137,825.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,377.20 : 404,027.40 = 91,892.40 : x
  2. Step 2: Convert to fraction form
    269,377.20/404,027.40 = 91,892.40/x
  3. Step 3: Cross multiply
    269,377.20x = 404,027.40 × 91,892.40
  4. Step 4: Simplify right side
    269,377.20x = 37,127,047,451.76
  5. Step 5: Solve for x
    x = 37,127,047,451.76/269,377.20
  6. Step 6: Final answer
    x = 137,825.50

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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.