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Finding the Fourth Proportional to 267,350.89, 401,026.64 and 80,362.39

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Solution

The fourth proportional to 267,350.89, 401,026.64 and 80,362.39 is: 120,543.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,350.89 : 401,026.64 = 80,362.39 : x
  2. Step 2: Convert to fraction form
    267,350.89/401,026.64 = 80,362.39/x
  3. Step 3: Cross multiply
    267,350.89x = 401,026.64 × 80,362.39
  4. Step 4: Simplify right side
    267,350.89x = 32,227,459,244.07
  5. Step 5: Solve for x
    x = 32,227,459,244.07/267,350.89
  6. Step 6: Final answer
    x = 120,543.68

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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.