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Finding the Fourth Proportional to 250,916.86, 376,133.37 and 84,614.14

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Solution

The fourth proportional to 250,916.86, 376,133.37 and 84,614.14 is: 126,839.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,916.86 : 376,133.37 = 84,614.14 : x
  2. Step 2: Convert to fraction form
    250,916.86/376,133.37 = 84,614.14/x
  3. Step 3: Cross multiply
    250,916.86x = 376,133.37 × 84,614.14
  4. Step 4: Simplify right side
    250,916.86x = 31,826,201,627.85
  5. Step 5: Solve for x
    x = 31,826,201,627.85/250,916.86
  6. Step 6: Final answer
    x = 126,839.63

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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.