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Finding the Fourth Proportional to 186,957.39, 280,473.05 and 68,629.75

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Solution

The fourth proportional to 186,957.39, 280,473.05 and 68,629.75 is: 102,958.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,957.39 : 280,473.05 = 68,629.75 : x
  2. Step 2: Convert to fraction form
    186,957.39/280,473.05 = 68,629.75/x
  3. Step 3: Cross multiply
    186,957.39x = 280,473.05 × 68,629.75
  4. Step 4: Simplify right side
    186,957.39x = 19,248,794,960.09
  5. Step 5: Solve for x
    x = 19,248,794,960.09/186,957.39
  6. Step 6: Final answer
    x = 102,958.20

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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.