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Finding the Fourth Proportional to 239,594.68, 359,435.04 and 81,786.22

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Solution

The fourth proportional to 239,594.68, 359,435.04 and 81,786.22 is: 122,694.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,594.68 : 359,435.04 = 81,786.22 : x
  2. Step 2: Convert to fraction form
    239,594.68/359,435.04 = 81,786.22/x
  3. Step 3: Cross multiply
    239,594.68x = 359,435.04 × 81,786.22
  4. Step 4: Simplify right side
    239,594.68x = 29,396,833,257.15
  5. Step 5: Solve for x
    x = 29,396,833,257.15/239,594.68
  6. Step 6: Final answer
    x = 122,694.01

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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.