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Finding the Fourth Proportional to 186,871.91, 280,297.82 and 92,007.53

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Solution

The fourth proportional to 186,871.91, 280,297.82 and 92,007.53 is: 138,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,871.91 : 280,297.82 = 92,007.53 : x
  2. Step 2: Convert to fraction form
    186,871.91/280,297.82 = 92,007.53/x
  3. Step 3: Cross multiply
    186,871.91x = 280,297.82 × 92,007.53
  4. Step 4: Simplify right side
    186,871.91x = 25,789,508,221.06
  5. Step 5: Solve for x
    x = 25,789,508,221.06/186,871.91
  6. Step 6: Final answer
    x = 138,006.34

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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.