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Finding the Fourth Proportional to 200,512.50, 276,707.25 and 119,943.42

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Solution

The fourth proportional to 200,512.50, 276,707.25 and 119,943.42 is: 165,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,512.50 : 276,707.25 = 119,943.42 : x
  2. Step 2: Convert to fraction form
    200,512.50/276,707.25 = 119,943.42/x
  3. Step 3: Cross multiply
    200,512.50x = 276,707.25 × 119,943.42
  4. Step 4: Simplify right side
    200,512.50x = 33,189,213,903.80
  5. Step 5: Solve for x
    x = 33,189,213,903.80/200,512.50
  6. Step 6: Final answer
    x = 165,521.92

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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.