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Finding the Fourth Proportional to 220,793.60, 331,090.80 and 62,984.48

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Solution

The fourth proportional to 220,793.60, 331,090.80 and 62,984.48 is: 94,448.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,793.60 : 331,090.80 = 62,984.48 : x
  2. Step 2: Convert to fraction form
    220,793.60/331,090.80 = 62,984.48/x
  3. Step 3: Cross multiply
    220,793.60x = 331,090.80 × 62,984.48
  4. Step 4: Simplify right side
    220,793.60x = 20,853,581,870.78
  5. Step 5: Solve for x
    x = 20,853,581,870.78/220,793.60
  6. Step 6: Final answer
    x = 94,448.31

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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.