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Finding the Fourth Proportional to 106,366.98, 159,550.47 and 61,993.56

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Solution

The fourth proportional to 106,366.98, 159,550.47 and 61,993.56 is: 92,990.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,366.98 : 159,550.47 = 61,993.56 : x
  2. Step 2: Convert to fraction form
    106,366.98/159,550.47 = 61,993.56/x
  3. Step 3: Cross multiply
    106,366.98x = 159,550.47 × 61,993.56
  4. Step 4: Simplify right side
    106,366.98x = 9,891,101,634.97
  5. Step 5: Solve for x
    x = 9,891,101,634.97/106,366.98
  6. Step 6: Final answer
    x = 92,990.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.