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Finding the Fourth Proportional to 69,876.84, 104,679.93 and 41,819.00

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Solution

The fourth proportional to 69,876.84, 104,679.93 and 41,819.00 is: 62,647.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,876.84 : 104,679.93 = 41,819.00 : x
  2. Step 2: Convert to fraction form
    69,876.84/104,679.93 = 41,819.00/x
  3. Step 3: Cross multiply
    69,876.84x = 104,679.93 × 41,819.00
  4. Step 4: Simplify right side
    69,876.84x = 4,377,609,626.09
  5. Step 5: Solve for x
    x = 4,377,609,626.09/69,876.84
  6. Step 6: Final answer
    x = 62,647.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.