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Finding the Fourth Proportional to 276,846.16, 415,200.12 and 89,911.12

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Solution

The fourth proportional to 276,846.16, 415,200.12 and 89,911.12 is: 134,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,846.16 : 415,200.12 = 89,911.12 : x
  2. Step 2: Convert to fraction form
    276,846.16/415,200.12 = 89,911.12/x
  3. Step 3: Cross multiply
    276,846.16x = 415,200.12 × 89,911.12
  4. Step 4: Simplify right side
    276,846.16x = 37,331,107,813.33
  5. Step 5: Solve for x
    x = 37,331,107,813.33/276,846.16
  6. Step 6: Final answer
    x = 134,844.23

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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.