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Finding the Fourth Proportional to 167,667.88, 251,518.26 and 61,080.80

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Solution

The fourth proportional to 167,667.88, 251,518.26 and 61,080.80 is: 91,627.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,667.88 : 251,518.26 = 61,080.80 : x
  2. Step 2: Convert to fraction form
    167,667.88/251,518.26 = 61,080.80/x
  3. Step 3: Cross multiply
    167,667.88x = 251,518.26 × 61,080.80
  4. Step 4: Simplify right side
    167,667.88x = 15,362,936,535.41
  5. Step 5: Solve for x
    x = 15,362,936,535.41/167,667.88
  6. Step 6: Final answer
    x = 91,627.19

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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.