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Finding the Fourth Proportional to 267,003.96, 400,544.82 and 80,030.04

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Solution

The fourth proportional to 267,003.96, 400,544.82 and 80,030.04 is: 120,056.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,003.96 : 400,544.82 = 80,030.04 : x
  2. Step 2: Convert to fraction form
    267,003.96/400,544.82 = 80,030.04/x
  3. Step 3: Cross multiply
    267,003.96x = 400,544.82 × 80,030.04
  4. Step 4: Simplify right side
    267,003.96x = 32,055,617,966.39
  5. Step 5: Solve for x
    x = 32,055,617,966.39/267,003.96
  6. Step 6: Final answer
    x = 120,056.71

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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.