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Finding the Fourth Proportional to 185,309.14, 277,961.66 and 45,067.90

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Solution

The fourth proportional to 185,309.14, 277,961.66 and 45,067.90 is: 67,601.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,309.14 : 277,961.66 = 45,067.90 : x
  2. Step 2: Convert to fraction form
    185,309.14/277,961.66 = 45,067.90/x
  3. Step 3: Cross multiply
    185,309.14x = 277,961.66 × 45,067.90
  4. Step 4: Simplify right side
    185,309.14x = 12,527,148,296.71
  5. Step 5: Solve for x
    x = 12,527,148,296.71/185,309.14
  6. Step 6: Final answer
    x = 67,601.35

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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.