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Finding the Fourth Proportional to 111,549.78, 167,307.27 and 36,669.41

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Solution

The fourth proportional to 111,549.78, 167,307.27 and 36,669.41 is: 54,998.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,549.78 : 167,307.27 = 36,669.41 : x
  2. Step 2: Convert to fraction form
    111,549.78/167,307.27 = 36,669.41/x
  3. Step 3: Cross multiply
    111,549.78x = 167,307.27 × 36,669.41
  4. Step 4: Simplify right side
    111,549.78x = 6,135,058,739.23
  5. Step 5: Solve for x
    x = 6,135,058,739.23/111,549.78
  6. Step 6: Final answer
    x = 54,998.39

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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.