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Finding the Fourth Proportional to 269,784.48, 404,676.45 and 80,244.06

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Solution

The fourth proportional to 269,784.48, 404,676.45 and 80,244.06 is: 120,366.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,784.48 : 404,676.45 = 80,244.06 : x
  2. Step 2: Convert to fraction form
    269,784.48/404,676.45 = 80,244.06/x
  3. Step 3: Cross multiply
    269,784.48x = 404,676.45 × 80,244.06
  4. Step 4: Simplify right side
    269,784.48x = 32,472,881,334.39
  5. Step 5: Solve for x
    x = 32,472,881,334.39/269,784.48
  6. Step 6: Final answer
    x = 120,366.01

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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.