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Finding the Fourth Proportional to 179,641.61, 269,388.27 and 61,322.48

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Solution

The fourth proportional to 179,641.61, 269,388.27 and 61,322.48 is: 91,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,641.61 : 269,388.27 = 61,322.48 : x
  2. Step 2: Convert to fraction form
    179,641.61/269,388.27 = 61,322.48/x
  3. Step 3: Cross multiply
    179,641.61x = 269,388.27 × 61,322.48
  4. Step 4: Simplify right side
    179,641.61x = 16,519,555,452.37
  5. Step 5: Solve for x
    x = 16,519,555,452.37/179,641.61
  6. Step 6: Final answer
    x = 91,958.40

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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.