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Finding the Fourth Proportional to 324,169.41, 485,921.57 and 124,436.01

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Solution

The fourth proportional to 324,169.41, 485,921.57 and 124,436.01 is: 186,526.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,169.41 : 485,921.57 = 124,436.01 : x
  2. Step 2: Convert to fraction form
    324,169.41/485,921.57 = 124,436.01/x
  3. Step 3: Cross multiply
    324,169.41x = 485,921.57 × 124,436.01
  4. Step 4: Simplify right side
    324,169.41x = 60,466,140,721.56
  5. Step 5: Solve for x
    x = 60,466,140,721.56/324,169.41
  6. Step 6: Final answer
    x = 186,526.36

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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.