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Finding the Fourth Proportional to 189,551.96, 284,331.01 and 63,190.49

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Solution

The fourth proportional to 189,551.96, 284,331.01 and 63,190.49 is: 94,786.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,551.96 : 284,331.01 = 63,190.49 : x
  2. Step 2: Convert to fraction form
    189,551.96/284,331.01 = 63,190.49/x
  3. Step 3: Cross multiply
    189,551.96x = 284,331.01 × 63,190.49
  4. Step 4: Simplify right side
    189,551.96x = 17,967,016,396.95
  5. Step 5: Solve for x
    x = 17,967,016,396.95/189,551.96
  6. Step 6: Final answer
    x = 94,786.76

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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.