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Finding the Fourth Proportional to 167,345.79, 251,021.31 and 167,099.75

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Solution

The fourth proportional to 167,345.79, 251,021.31 and 167,099.75 is: 250,652.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,345.79 : 251,021.31 = 167,099.75 : x
  2. Step 2: Convert to fraction form
    167,345.79/251,021.31 = 167,099.75/x
  3. Step 3: Cross multiply
    167,345.79x = 251,021.31 × 167,099.75
  4. Step 4: Simplify right side
    167,345.79x = 41,945,598,145.67
  5. Step 5: Solve for x
    x = 41,945,598,145.67/167,345.79
  6. Step 6: Final answer
    x = 250,652.25

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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.