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Finding the Fourth Proportional to 69,435, 104,152.55 and 16,844.49

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Solution

The fourth proportional to 69,435, 104,152.55 and 16,844.49 is: 25,266.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,435 : 104,152.55 = 16,844.49 : x
  2. Step 2: Convert to fraction form
    69,435/104,152.55 = 16,844.49/x
  3. Step 3: Cross multiply
    69,435x = 104,152.55 × 16,844.49
  4. Step 4: Simplify right side
    69,435x = 1,754,396,502.73
  5. Step 5: Solve for x
    x = 1,754,396,502.73/69,435
  6. Step 6: Final answer
    x = 25,266.75

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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.