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Finding the Fourth Proportional to 69,374.36, 103,867.40 and 44,351.48

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Solution

The fourth proportional to 69,374.36, 103,867.40 and 44,351.48 is: 66,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,374.36 : 103,867.40 = 44,351.48 : x
  2. Step 2: Convert to fraction form
    69,374.36/103,867.40 = 44,351.48/x
  3. Step 3: Cross multiply
    69,374.36x = 103,867.40 × 44,351.48
  4. Step 4: Simplify right side
    69,374.36x = 4,606,672,913.75
  5. Step 5: Solve for x
    x = 4,606,672,913.75/69,374.36
  6. Step 6: Final answer
    x = 66,403.11

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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.