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Finding the Fourth Proportional to 69,372.36, 103,864.41 and 44,349.48

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Solution

The fourth proportional to 69,372.36, 103,864.41 and 44,349.48 is: 66,400.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,372.36 : 103,864.41 = 44,349.48 : x
  2. Step 2: Convert to fraction form
    69,372.36/103,864.41 = 44,349.48/x
  3. Step 3: Cross multiply
    69,372.36x = 103,864.41 × 44,349.48
  4. Step 4: Simplify right side
    69,372.36x = 4,606,332,574.01
  5. Step 5: Solve for x
    x = 4,606,332,574.01/69,372.36
  6. Step 6: Final answer
    x = 66,400.11

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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.