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Finding the Fourth Proportional to 192,033.38, 287,973.05 and 79,637.24

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Solution

The fourth proportional to 192,033.38, 287,973.05 and 79,637.24 is: 119,423.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,033.38 : 287,973.05 = 79,637.24 : x
  2. Step 2: Convert to fraction form
    192,033.38/287,973.05 = 79,637.24/x
  3. Step 3: Cross multiply
    192,033.38x = 287,973.05 × 79,637.24
  4. Step 4: Simplify right side
    192,033.38x = 22,933,377,058.33
  5. Step 5: Solve for x
    x = 22,933,377,058.33/192,033.38
  6. Step 6: Final answer
    x = 119,423.91

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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.