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Finding the Fourth Proportional to 200,495.40, 300,426.69 and 73,961.52

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Solution

The fourth proportional to 200,495.40, 300,426.69 and 73,961.52 is: 110,825.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,495.40 : 300,426.69 = 73,961.52 : x
  2. Step 2: Convert to fraction form
    200,495.40/300,426.69 = 73,961.52/x
  3. Step 3: Cross multiply
    200,495.40x = 300,426.69 × 73,961.52
  4. Step 4: Simplify right side
    200,495.40x = 22,220,014,640.97
  5. Step 5: Solve for x
    x = 22,220,014,640.97/200,495.40
  6. Step 6: Final answer
    x = 110,825.56

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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.