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Finding the Fourth Proportional to 91,182.70, 125,836.73 and 50,896.79

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Solution

The fourth proportional to 91,182.70, 125,836.73 and 50,896.79 is: 70,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,182.70 : 125,836.73 = 50,896.79 : x
  2. Step 2: Convert to fraction form
    91,182.70/125,836.73 = 50,896.79/x
  3. Step 3: Cross multiply
    91,182.70x = 125,836.73 × 50,896.79
  4. Step 4: Simplify right side
    91,182.70x = 6,404,685,621.10
  5. Step 5: Solve for x
    x = 6,404,685,621.10/91,182.70
  6. Step 6: Final answer
    x = 70,240.14

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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.