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Finding the Fourth Proportional to 267,343.94, 401,015.91 and 89,850.95

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Solution

The fourth proportional to 267,343.94, 401,015.91 and 89,850.95 is: 134,776.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,343.94 : 401,015.91 = 89,850.95 : x
  2. Step 2: Convert to fraction form
    267,343.94/401,015.91 = 89,850.95/x
  3. Step 3: Cross multiply
    267,343.94x = 401,015.91 × 89,850.95
  4. Step 4: Simplify right side
    267,343.94x = 36,031,660,478.61
  5. Step 5: Solve for x
    x = 36,031,660,478.61/267,343.94
  6. Step 6: Final answer
    x = 134,776.43

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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.