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Finding the Fourth Proportional to 360,936.40, 541,299.48 and 108,206.80

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Solution

The fourth proportional to 360,936.40, 541,299.48 and 108,206.80 is: 162,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,936.40 : 541,299.48 = 108,206.80 : x
  2. Step 2: Convert to fraction form
    360,936.40/541,299.48 = 108,206.80/x
  3. Step 3: Cross multiply
    360,936.40x = 541,299.48 × 108,206.80
  4. Step 4: Simplify right side
    360,936.40x = 58,572,284,572.46
  5. Step 5: Solve for x
    x = 58,572,284,572.46/360,936.40
  6. Step 6: Final answer
    x = 162,278.69

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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.