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Finding the Fourth Proportional to 187,273.67, 280,938.48 and 68,936.01

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Solution

The fourth proportional to 187,273.67, 280,938.48 and 68,936.01 is: 103,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,273.67 : 280,938.48 = 68,936.01 : x
  2. Step 2: Convert to fraction form
    187,273.67/280,938.48 = 68,936.01/x
  3. Step 3: Cross multiply
    187,273.67x = 280,938.48 × 68,936.01
  4. Step 4: Simplify right side
    187,273.67x = 19,366,778,134.91
  5. Step 5: Solve for x
    x = 19,366,778,134.91/187,273.67
  6. Step 6: Final answer
    x = 103,414.31

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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.