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Finding the Fourth Proportional to 73,160.61, 100,969.83 and 41,331.56

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Solution

The fourth proportional to 73,160.61, 100,969.83 and 41,331.56 is: 57,042.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,160.61 : 100,969.83 = 41,331.56 : x
  2. Step 2: Convert to fraction form
    73,160.61/100,969.83 = 41,331.56/x
  3. Step 3: Cross multiply
    73,160.61x = 100,969.83 × 41,331.56
  4. Step 4: Simplify right side
    73,160.61x = 4,173,240,586.83
  5. Step 5: Solve for x
    x = 4,173,240,586.83/73,160.61
  6. Step 6: Final answer
    x = 57,042.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.