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Finding the Fourth Proportional to 248,450.28, 342,516.87 and 167,749.98

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Solution

The fourth proportional to 248,450.28, 342,516.87 and 167,749.98 is: 231,262.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,450.28 : 342,516.87 = 167,749.98 : x
  2. Step 2: Convert to fraction form
    248,450.28/342,516.87 = 167,749.98/x
  3. Step 3: Cross multiply
    248,450.28x = 342,516.87 × 167,749.98
  4. Step 4: Simplify right side
    248,450.28x = 57,457,198,092.16
  5. Step 5: Solve for x
    x = 57,457,198,092.16/248,450.28
  6. Step 6: Final answer
    x = 231,262.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.