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Finding the Fourth Proportional to 69,935.44, 104,903.25 and 53,389.41

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Solution

The fourth proportional to 69,935.44, 104,903.25 and 53,389.41 is: 80,084.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,935.44 : 104,903.25 = 53,389.41 : x
  2. Step 2: Convert to fraction form
    69,935.44/104,903.25 = 53,389.41/x
  3. Step 3: Cross multiply
    69,935.44x = 104,903.25 × 53,389.41
  4. Step 4: Simplify right side
    69,935.44x = 5,600,722,624.58
  5. Step 5: Solve for x
    x = 5,600,722,624.58/69,935.44
  6. Step 6: Final answer
    x = 80,084.18

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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.