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Finding the Fourth Proportional to 185,399.25, 277,933.95 and 67,044.30

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Solution

The fourth proportional to 185,399.25, 277,933.95 and 67,044.30 is: 100,506.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,399.25 : 277,933.95 = 67,044.30 : x
  2. Step 2: Convert to fraction form
    185,399.25/277,933.95 = 67,044.30/x
  3. Step 3: Cross multiply
    185,399.25x = 277,933.95 × 67,044.30
  4. Step 4: Simplify right side
    185,399.25x = 18,633,887,123.99
  5. Step 5: Solve for x
    x = 18,633,887,123.99/185,399.25
  6. Step 6: Final answer
    x = 100,506.81

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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.