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Finding the Fourth Proportional to 221,947.89, 333,170.61 and 88,920.89

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Solution

The fourth proportional to 221,947.89, 333,170.61 and 88,920.89 is: 133,481.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,947.89 : 333,170.61 = 88,920.89 : x
  2. Step 2: Convert to fraction form
    221,947.89/333,170.61 = 88,920.89/x
  3. Step 3: Cross multiply
    221,947.89x = 333,170.61 × 88,920.89
  4. Step 4: Simplify right side
    221,947.89x = 29,625,827,163.04
  5. Step 5: Solve for x
    x = 29,625,827,163.04/221,947.89
  6. Step 6: Final answer
    x = 133,481.00

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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.