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Finding the Fourth Proportional to 179,641.86, 269,388.65 and 61,322.73

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Solution

The fourth proportional to 179,641.86, 269,388.65 and 61,322.73 is: 91,958.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,641.86 : 269,388.65 = 61,322.73 : x
  2. Step 2: Convert to fraction form
    179,641.86/269,388.65 = 61,322.73/x
  3. Step 3: Cross multiply
    179,641.86x = 269,388.65 × 61,322.73
  4. Step 4: Simplify right side
    179,641.86x = 16,519,645,795.46
  5. Step 5: Solve for x
    x = 16,519,645,795.46/179,641.86
  6. Step 6: Final answer
    x = 91,958.78

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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.