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Finding the Fourth Proportional to 125,622.87, 173,360.23 and 68,262.65

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Solution

The fourth proportional to 125,622.87, 173,360.23 and 68,262.65 is: 94,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,622.87 : 173,360.23 = 68,262.65 : x
  2. Step 2: Convert to fraction form
    125,622.87/173,360.23 = 68,262.65/x
  3. Step 3: Cross multiply
    125,622.87x = 173,360.23 × 68,262.65
  4. Step 4: Simplify right side
    125,622.87x = 11,834,027,837.61
  5. Step 5: Solve for x
    x = 11,834,027,837.61/125,622.87
  6. Step 6: Final answer
    x = 94,202.81

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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.