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Finding the Fourth Proportional to 188,696.92, 260,399.52 and 140,514.40

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Solution

The fourth proportional to 188,696.92, 260,399.52 and 140,514.40 is: 193,908.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,696.92 : 260,399.52 = 140,514.40 : x
  2. Step 2: Convert to fraction form
    188,696.92/260,399.52 = 140,514.40/x
  3. Step 3: Cross multiply
    188,696.92x = 260,399.52 × 140,514.40
  4. Step 4: Simplify right side
    188,696.92x = 36,589,882,313.09
  5. Step 5: Solve for x
    x = 36,589,882,313.09/188,696.92
  6. Step 6: Final answer
    x = 193,908.21

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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.