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Finding the Fourth Proportional to 218,799.48, 301,793.40 and 133,958.52

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Solution

The fourth proportional to 218,799.48, 301,793.40 and 133,958.52 is: 184,770.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,799.48 : 301,793.40 = 133,958.52 : x
  2. Step 2: Convert to fraction form
    218,799.48/301,793.40 = 133,958.52/x
  3. Step 3: Cross multiply
    218,799.48x = 301,793.40 × 133,958.52
  4. Step 4: Simplify right side
    218,799.48x = 40,427,797,209.77
  5. Step 5: Solve for x
    x = 40,427,797,209.77/218,799.48
  6. Step 6: Final answer
    x = 184,770.99

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.