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Finding the Fourth Proportional to 125,596.53, 173,320.43 and 68,234.36

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Solution

The fourth proportional to 125,596.53, 173,320.43 and 68,234.36 is: 94,161.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596.53 : 173,320.43 = 68,234.36 : x
  2. Step 2: Convert to fraction form
    125,596.53/173,320.43 = 68,234.36/x
  3. Step 3: Cross multiply
    125,596.53x = 173,320.43 × 68,234.36
  4. Step 4: Simplify right side
    125,596.53x = 11,826,407,408.20
  5. Step 5: Solve for x
    x = 11,826,407,408.20/125,596.53
  6. Step 6: Final answer
    x = 94,161.90

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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.