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Finding the Fourth Proportional to 96,694.38, 145,041.38 and 54,555.34

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Solution

The fourth proportional to 96,694.38, 145,041.38 and 54,555.34 is: 81,832.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,694.38 : 145,041.38 = 54,555.34 : x
  2. Step 2: Convert to fraction form
    96,694.38/145,041.38 = 54,555.34/x
  3. Step 3: Cross multiply
    96,694.38x = 145,041.38 × 54,555.34
  4. Step 4: Simplify right side
    96,694.38x = 7,912,781,164.59
  5. Step 5: Solve for x
    x = 7,912,781,164.59/96,694.38
  6. Step 6: Final answer
    x = 81,832.90

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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.