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Finding the Fourth Proportional to 87,594.93, 120,739.03 and 68,441.30

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Solution

The fourth proportional to 87,594.93, 120,739.03 and 68,441.30 is: 94,338.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,594.93 : 120,739.03 = 68,441.30 : x
  2. Step 2: Convert to fraction form
    87,594.93/120,739.03 = 68,441.30/x
  3. Step 3: Cross multiply
    87,594.93x = 120,739.03 × 68,441.30
  4. Step 4: Simplify right side
    87,594.93x = 8,263,535,399.14
  5. Step 5: Solve for x
    x = 8,263,535,399.14/87,594.93
  6. Step 6: Final answer
    x = 94,338.06

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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.