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Finding the Fourth Proportional to 167,659.92, 251,435.96 and 55,314.64

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Solution

The fourth proportional to 167,659.92, 251,435.96 and 55,314.64 is: 82,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,659.92 : 251,435.96 = 55,314.64 : x
  2. Step 2: Convert to fraction form
    167,659.92/251,435.96 = 55,314.64/x
  3. Step 3: Cross multiply
    167,659.92x = 251,435.96 × 55,314.64
  4. Step 4: Simplify right side
    167,659.92x = 13,908,089,610.45
  5. Step 5: Solve for x
    x = 13,908,089,610.45/167,659.92
  6. Step 6: Final answer
    x = 82,954.17

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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.