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Finding the Fourth Proportional to 69,854.60, 104,783.73 and 33,331.70

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Solution

The fourth proportional to 69,854.60, 104,783.73 and 33,331.70 is: 49,998.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,854.60 : 104,783.73 = 33,331.70 : x
  2. Step 2: Convert to fraction form
    69,854.60/104,783.73 = 33,331.70/x
  3. Step 3: Cross multiply
    69,854.60x = 104,783.73 × 33,331.70
  4. Step 4: Simplify right side
    69,854.60x = 3,492,619,990.21
  5. Step 5: Solve for x
    x = 3,492,619,990.21/69,854.60
  6. Step 6: Final answer
    x = 49,998.42

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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.