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Finding the Fourth Proportional to 104,571, 144,327.42 and 59,859

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Solution

The fourth proportional to 104,571, 144,327.42 and 59,859 is: 82,616.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,571 : 144,327.42 = 59,859 : x
  2. Step 2: Convert to fraction form
    104,571/144,327.42 = 59,859/x
  3. Step 3: Cross multiply
    104,571x = 144,327.42 × 59,859
  4. Step 4: Simplify right side
    104,571x = 8,639,295,033.78
  5. Step 5: Solve for x
    x = 8,639,295,033.78/104,571
  6. Step 6: Final answer
    x = 82,616.55

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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.