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Finding the Fourth Proportional to 185,791.39, 278,687.09 and 52,672.82

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Solution

The fourth proportional to 185,791.39, 278,687.09 and 52,672.82 is: 79,009.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,791.39 : 278,687.09 = 52,672.82 : x
  2. Step 2: Convert to fraction form
    185,791.39/278,687.09 = 52,672.82/x
  3. Step 3: Cross multiply
    185,791.39x = 278,687.09 × 52,672.82
  4. Step 4: Simplify right side
    185,791.39x = 14,679,233,666.14
  5. Step 5: Solve for x
    x = 14,679,233,666.14/185,791.39
  6. Step 6: Final answer
    x = 79,009.23

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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.