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Finding the Fourth Proportional to 69,674.25, 96,150.65 and 40,994.99

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Solution

The fourth proportional to 69,674.25, 96,150.65 and 40,994.99 is: 56,573.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,674.25 : 96,150.65 = 40,994.99 : x
  2. Step 2: Convert to fraction form
    69,674.25/96,150.65 = 40,994.99/x
  3. Step 3: Cross multiply
    69,674.25x = 96,150.65 × 40,994.99
  4. Step 4: Simplify right side
    69,674.25x = 3,941,694,249.52
  5. Step 5: Solve for x
    x = 3,941,694,249.52/69,674.25
  6. Step 6: Final answer
    x = 56,573.19

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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.