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Finding the Fourth Proportional to 77,896.66, 107,494.30 and 43,912.22

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Solution

The fourth proportional to 77,896.66, 107,494.30 and 43,912.22 is: 60,597.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,896.66 : 107,494.30 = 43,912.22 : x
  2. Step 2: Convert to fraction form
    77,896.66/107,494.30 = 43,912.22/x
  3. Step 3: Cross multiply
    77,896.66x = 107,494.30 × 43,912.22
  4. Step 4: Simplify right side
    77,896.66x = 4,720,313,350.35
  5. Step 5: Solve for x
    x = 4,720,313,350.35/77,896.66
  6. Step 6: Final answer
    x = 60,597.12

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1.5x scale

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.