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Finding the Fourth Proportional to 69,802.38, 104,601.51 and 43,426.98

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Solution

The fourth proportional to 69,802.38, 104,601.51 and 43,426.98 is: 65,076.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,802.38 : 104,601.51 = 43,426.98 : x
  2. Step 2: Convert to fraction form
    69,802.38/104,601.51 = 43,426.98/x
  3. Step 3: Cross multiply
    69,802.38x = 104,601.51 × 43,426.98
  4. Step 4: Simplify right side
    69,802.38x = 4,542,527,682.74
  5. Step 5: Solve for x
    x = 4,542,527,682.74/69,802.38
  6. Step 6: Final answer
    x = 65,076.97

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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.