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Finding the Fourth Proportional to 267,852.30, 401,793.03 and 80,858.94

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Solution

The fourth proportional to 267,852.30, 401,793.03 and 80,858.94 is: 121,292.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,852.30 : 401,793.03 = 80,858.94 : x
  2. Step 2: Convert to fraction form
    267,852.30/401,793.03 = 80,858.94/x
  3. Step 3: Cross multiply
    267,852.30x = 401,793.03 × 80,858.94
  4. Step 4: Simplify right side
    267,852.30x = 32,488,558,505.19
  5. Step 5: Solve for x
    x = 32,488,558,505.19/267,852.30
  6. Step 6: Final answer
    x = 121,292.81

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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.