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Finding the Fourth Proportional to 185,503.52, 278,067.44 and 73,262.87

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Solution

The fourth proportional to 185,503.52, 278,067.44 and 73,262.87 is: 109,820.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,503.52 : 278,067.44 = 73,262.87 : x
  2. Step 2: Convert to fraction form
    185,503.52/278,067.44 = 73,262.87/x
  3. Step 3: Cross multiply
    185,503.52x = 278,067.44 × 73,262.87
  4. Step 4: Simplify right side
    185,503.52x = 20,372,019,586.28
  5. Step 5: Solve for x
    x = 20,372,019,586.28/185,503.52
  6. Step 6: Final answer
    x = 109,820.13

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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.