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Finding the Fourth Proportional to 221,840.39, 332,694.89 and 61,877.75

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Solution

The fourth proportional to 221,840.39, 332,694.89 and 61,877.75 is: 92,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,840.39 : 332,694.89 = 61,877.75 : x
  2. Step 2: Convert to fraction form
    221,840.39/332,694.89 = 61,877.75/x
  3. Step 3: Cross multiply
    221,840.39x = 332,694.89 × 61,877.75
  4. Step 4: Simplify right side
    221,840.39x = 20,586,411,229.70
  5. Step 5: Solve for x
    x = 20,586,411,229.70/221,840.39
  6. Step 6: Final answer
    x = 92,798.30

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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.