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Finding the Fourth Proportional to 100,259.25, 150,343.94 and 59,751.90

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Solution

The fourth proportional to 100,259.25, 150,343.94 and 59,751.90 is: 89,601.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,259.25 : 150,343.94 = 59,751.90 : x
  2. Step 2: Convert to fraction form
    100,259.25/150,343.94 = 59,751.90/x
  3. Step 3: Cross multiply
    100,259.25x = 150,343.94 × 59,751.90
  4. Step 4: Simplify right side
    100,259.25x = 8,983,335,769.73
  5. Step 5: Solve for x
    x = 8,983,335,769.73/100,259.25
  6. Step 6: Final answer
    x = 89,601.07

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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.