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Finding the Fourth Proportional to 69,362.92, 104,043.66 and 36,065.80

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Solution

The fourth proportional to 69,362.92, 104,043.66 and 36,065.80 is: 54,098.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,362.92 : 104,043.66 = 36,065.80 : x
  2. Step 2: Convert to fraction form
    69,362.92/104,043.66 = 36,065.80/x
  3. Step 3: Cross multiply
    69,362.92x = 104,043.66 × 36,065.80
  4. Step 4: Simplify right side
    69,362.92x = 3,752,417,832.83
  5. Step 5: Solve for x
    x = 3,752,417,832.83/69,362.92
  6. Step 6: Final answer
    x = 54,098.33

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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.