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Finding the Fourth Proportional to 125,882.89, 173,722.30 and 68,526.03

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Solution

The fourth proportional to 125,882.89, 173,722.30 and 68,526.03 is: 94,568.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,882.89 : 173,722.30 = 68,526.03 : x
  2. Step 2: Convert to fraction form
    125,882.89/173,722.30 = 68,526.03/x
  3. Step 3: Cross multiply
    125,882.89x = 173,722.30 × 68,526.03
  4. Step 4: Simplify right side
    125,882.89x = 11,904,498,896.49
  5. Step 5: Solve for x
    x = 11,904,498,896.49/125,882.89
  6. Step 6: Final answer
    x = 94,568.05

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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.