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Finding the Fourth Proportional to 69,887.49, 104,853.05 and 44,955.69

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Solution

The fourth proportional to 69,887.49, 104,853.05 and 44,955.69 is: 67,447.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,887.49 : 104,853.05 = 44,955.69 : x
  2. Step 2: Convert to fraction form
    69,887.49/104,853.05 = 44,955.69/x
  3. Step 3: Cross multiply
    69,887.49x = 104,853.05 × 44,955.69
  4. Step 4: Simplify right side
    69,887.49x = 4,713,740,986.58
  5. Step 5: Solve for x
    x = 4,713,740,986.58/69,887.49
  6. Step 6: Final answer
    x = 67,447.56

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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.