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Finding the Fourth Proportional to 189,553.38, 284,310.56 and 63,179.98

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Solution

The fourth proportional to 189,553.38, 284,310.56 and 63,179.98 is: 94,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,553.38 : 284,310.56 = 63,179.98 : x
  2. Step 2: Convert to fraction form
    189,553.38/284,310.56 = 63,179.98/x
  3. Step 3: Cross multiply
    189,553.38x = 284,310.56 × 63,179.98
  4. Step 4: Simplify right side
    189,553.38x = 17,962,735,494.59
  5. Step 5: Solve for x
    x = 17,962,735,494.59/189,553.38
  6. Step 6: Final answer
    x = 94,763.47

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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.