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Finding the Fourth Proportional to 73,687.52, 101,685.60 and 41,856.32

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Solution

The fourth proportional to 73,687.52, 101,685.60 and 41,856.32 is: 57,759.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,687.52 : 101,685.60 = 41,856.32 : x
  2. Step 2: Convert to fraction form
    73,687.52/101,685.60 = 41,856.32/x
  3. Step 3: Cross multiply
    73,687.52x = 101,685.60 × 41,856.32
  4. Step 4: Simplify right side
    73,687.52x = 4,256,185,012.99
  5. Step 5: Solve for x
    x = 4,256,185,012.99/73,687.52
  6. Step 6: Final answer
    x = 57,759.92

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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.