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Finding the Fourth Proportional to 200,535.52, 300,600.76 and 125,708.11

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Solution

The fourth proportional to 200,535.52, 300,600.76 and 125,708.11 is: 188,435.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,535.52 : 300,600.76 = 125,708.11 : x
  2. Step 2: Convert to fraction form
    200,535.52/300,600.76 = 125,708.11/x
  3. Step 3: Cross multiply
    200,535.52x = 300,600.76 × 125,708.11
  4. Step 4: Simplify right side
    200,535.52x = 37,787,954,510.91
  5. Step 5: Solve for x
    x = 37,787,954,510.91/200,535.52
  6. Step 6: Final answer
    x = 188,435.22

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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.