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Finding the Fourth Proportional to 276,889.94, 382,108.27 and 149,565.53

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Solution

The fourth proportional to 276,889.94, 382,108.27 and 149,565.53 is: 206,400.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,889.94 : 382,108.27 = 149,565.53 : x
  2. Step 2: Convert to fraction form
    276,889.94/382,108.27 = 149,565.53/x
  3. Step 3: Cross multiply
    276,889.94x = 382,108.27 × 149,565.53
  4. Step 4: Simplify right side
    276,889.94x = 57,150,225,919.93
  5. Step 5: Solve for x
    x = 57,150,225,919.93/276,889.94
  6. Step 6: Final answer
    x = 206,400.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.