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Finding the Fourth Proportional to 236,382.60, 354,639.60 and 131,275.38

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Solution

The fourth proportional to 236,382.60, 354,639.60 and 131,275.38 is: 196,949.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,382.60 : 354,639.60 = 131,275.38 : x
  2. Step 2: Convert to fraction form
    236,382.60/354,639.60 = 131,275.38/x
  3. Step 3: Cross multiply
    236,382.60x = 354,639.60 × 131,275.38
  4. Step 4: Simplify right side
    236,382.60x = 46,555,448,253.05
  5. Step 5: Solve for x
    x = 46,555,448,253.05/236,382.60
  6. Step 6: Final answer
    x = 196,949.56

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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.