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Finding the Fourth Proportional to 273,387.09, 409,883.81 and 167,988.27

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Solution

The fourth proportional to 273,387.09, 409,883.81 and 167,988.27 is: 251,861.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,387.09 : 409,883.81 = 167,988.27 : x
  2. Step 2: Convert to fraction form
    273,387.09/409,883.81 = 167,988.27/x
  3. Step 3: Cross multiply
    273,387.09x = 409,883.81 × 167,988.27
  4. Step 4: Simplify right side
    273,387.09x = 68,855,671,302.97
  5. Step 5: Solve for x
    x = 68,855,671,302.97/273,387.09
  6. Step 6: Final answer
    x = 251,861.46

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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.