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Finding the Fourth Proportional to 189,963.66, 284,960.52 and 63,604.56

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Solution

The fourth proportional to 189,963.66, 284,960.52 and 63,604.56 is: 95,411.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,963.66 : 284,960.52 = 63,604.56 : x
  2. Step 2: Convert to fraction form
    189,963.66/284,960.52 = 63,604.56/x
  3. Step 3: Cross multiply
    189,963.66x = 284,960.52 × 63,604.56
  4. Step 4: Simplify right side
    189,963.66x = 18,124,788,491.97
  5. Step 5: Solve for x
    x = 18,124,788,491.97/189,963.66
  6. Step 6: Final answer
    x = 95,411.87

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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.