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Finding the Fourth Proportional to 125,363.57, 173,000.97 and 68,003.00

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Solution

The fourth proportional to 125,363.57, 173,000.97 and 68,003.00 is: 93,843.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,363.57 : 173,000.97 = 68,003.00 : x
  2. Step 2: Convert to fraction form
    125,363.57/173,000.97 = 68,003.00/x
  3. Step 3: Cross multiply
    125,363.57x = 173,000.97 × 68,003.00
  4. Step 4: Simplify right side
    125,363.57x = 11,764,584,451.35
  5. Step 5: Solve for x
    x = 11,764,584,451.35/125,363.57
  6. Step 6: Final answer
    x = 93,843.73

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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.