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Finding the Fourth Proportional to 269,591.40, 404,444.51 and 80,052.31

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Solution

The fourth proportional to 269,591.40, 404,444.51 and 80,052.31 is: 120,095.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,591.40 : 404,444.51 = 80,052.31 : x
  2. Step 2: Convert to fraction form
    269,591.40/404,444.51 = 80,052.31/x
  3. Step 3: Cross multiply
    269,591.40x = 404,444.51 × 80,052.31
  4. Step 4: Simplify right side
    269,591.40x = 32,376,717,697.81
  5. Step 5: Solve for x
    x = 32,376,717,697.81/269,591.40
  6. Step 6: Final answer
    x = 120,095.51

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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.