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Finding the Fourth Proportional to 73,167.36, 100,879.20 and 59,724.96

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Solution

The fourth proportional to 73,167.36, 100,879.20 and 59,724.96 is: 82,345.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.36 : 100,879.20 = 59,724.96 : x
  2. Step 2: Convert to fraction form
    73,167.36/100,879.20 = 59,724.96/x
  3. Step 3: Cross multiply
    73,167.36x = 100,879.20 × 59,724.96
  4. Step 4: Simplify right side
    73,167.36x = 6,025,006,184.83
  5. Step 5: Solve for x
    x = 6,025,006,184.83/73,167.36
  6. Step 6: Final answer
    x = 82,345.55

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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.