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Finding the Fourth Proportional to 185,737.62, 256,315.68 and 100,855.29

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Solution

The fourth proportional to 185,737.62, 256,315.68 and 100,855.29 is: 139,179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,737.62 : 256,315.68 = 100,855.29 : x
  2. Step 2: Convert to fraction form
    185,737.62/256,315.68 = 100,855.29/x
  3. Step 3: Cross multiply
    185,737.62x = 256,315.68 × 100,855.29
  4. Step 4: Simplify right side
    185,737.62x = 25,850,792,237.95
  5. Step 5: Solve for x
    x = 25,850,792,237.95/185,737.62
  6. Step 6: Final answer
    x = 139,179.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.