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Finding the Fourth Proportional to 222,469.79, 333,701.88 and 53,991.50

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Solution

The fourth proportional to 222,469.79, 333,701.88 and 53,991.50 is: 80,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,469.79 : 333,701.88 = 53,991.50 : x
  2. Step 2: Convert to fraction form
    222,469.79/333,701.88 = 53,991.50/x
  3. Step 3: Cross multiply
    222,469.79x = 333,701.88 × 53,991.50
  4. Step 4: Simplify right side
    222,469.79x = 18,017,065,054.02
  5. Step 5: Solve for x
    x = 18,017,065,054.02/222,469.79
  6. Step 6: Final answer
    x = 80,986.57

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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.