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Finding the Fourth Proportional to 618,107.94, 927,012.06 and 168,830.91

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Solution

The fourth proportional to 618,107.94, 927,012.06 and 168,830.91 is: 253,205.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,107.94 : 927,012.06 = 168,830.91 : x
  2. Step 2: Convert to fraction form
    618,107.94/927,012.06 = 168,830.91/x
  3. Step 3: Cross multiply
    618,107.94x = 927,012.06 × 168,830.91
  4. Step 4: Simplify right side
    618,107.94x = 156,508,289,670.78
  5. Step 5: Solve for x
    x = 156,508,289,670.78/618,107.94
  6. Step 6: Final answer
    x = 253,205.43

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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.