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Finding the Fourth Proportional to 167,880.75, 251,821.13 and 57,072.75

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Solution

The fourth proportional to 167,880.75, 251,821.13 and 57,072.75 is: 85,609.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,880.75 : 251,821.13 = 57,072.75 : x
  2. Step 2: Convert to fraction form
    167,880.75/251,821.13 = 57,072.75/x
  3. Step 3: Cross multiply
    167,880.75x = 251,821.13 × 57,072.75
  4. Step 4: Simplify right side
    167,880.75x = 14,372,124,111.84
  5. Step 5: Solve for x
    x = 14,372,124,111.84/167,880.75
  6. Step 6: Final answer
    x = 85,609.13

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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.