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Finding the Fourth Proportional to 267,426.92, 400,889.16 and 89,809.38

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Solution

The fourth proportional to 267,426.92, 400,889.16 and 89,809.38 is: 134,629.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,426.92 : 400,889.16 = 89,809.38 : x
  2. Step 2: Convert to fraction form
    267,426.92/400,889.16 = 89,809.38/x
  3. Step 3: Cross multiply
    267,426.92x = 400,889.16 × 89,809.38
  4. Step 4: Simplify right side
    267,426.92x = 36,003,606,908.32
  5. Step 5: Solve for x
    x = 36,003,606,908.32/267,426.92
  6. Step 6: Final answer
    x = 134,629.70

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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.