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Finding the Fourth Proportional to 192,950.61, 289,426.03 and 80,569.59

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Solution

The fourth proportional to 192,950.61, 289,426.03 and 80,569.59 is: 120,854.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,950.61 : 289,426.03 = 80,569.59 : x
  2. Step 2: Convert to fraction form
    192,950.61/289,426.03 = 80,569.59/x
  3. Step 3: Cross multiply
    192,950.61x = 289,426.03 × 80,569.59
  4. Step 4: Simplify right side
    192,950.61x = 23,318,935,285.66
  5. Step 5: Solve for x
    x = 23,318,935,285.66/192,950.61
  6. Step 6: Final answer
    x = 120,854.43

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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.