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Finding the Fourth Proportional to 195,995.30, 293,991.84 and 71,336.30

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Solution

The fourth proportional to 195,995.30, 293,991.84 and 71,336.30 is: 107,004.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,995.30 : 293,991.84 = 71,336.30 : x
  2. Step 2: Convert to fraction form
    195,995.30/293,991.84 = 71,336.30/x
  3. Step 3: Cross multiply
    195,995.30x = 293,991.84 × 71,336.30
  4. Step 4: Simplify right side
    195,995.30x = 20,972,290,095.79
  5. Step 5: Solve for x
    x = 20,972,290,095.79/195,995.30
  6. Step 6: Final answer
    x = 107,004.05

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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.