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Finding the Fourth Proportional to 77,599.92, 107,059.84 and 50,757.76

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Solution

The fourth proportional to 77,599.92, 107,059.84 and 50,757.76 is: 70,027.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,599.92 : 107,059.84 = 50,757.76 : x
  2. Step 2: Convert to fraction form
    77,599.92/107,059.84 = 50,757.76/x
  3. Step 3: Cross multiply
    77,599.92x = 107,059.84 × 50,757.76
  4. Step 4: Simplify right side
    77,599.92x = 5,434,117,664.36
  5. Step 5: Solve for x
    x = 5,434,117,664.36/77,599.92
  6. Step 6: Final answer
    x = 70,027.36

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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.