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Finding the Fourth Proportional to 192,357.30, 288,541.84 and 65,995.78

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Solution

The fourth proportional to 192,357.30, 288,541.84 and 65,995.78 is: 98,995.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,357.30 : 288,541.84 = 65,995.78 : x
  2. Step 2: Convert to fraction form
    192,357.30/288,541.84 = 65,995.78/x
  3. Step 3: Cross multiply
    192,357.30x = 288,541.84 × 65,995.78
  4. Step 4: Simplify right side
    192,357.30x = 19,042,543,793.44
  5. Step 5: Solve for x
    x = 19,042,543,793.44/192,357.30
  6. Step 6: Final answer
    x = 98,995.69

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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.