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Finding the Fourth Proportional to 237,973.56, 356,846.31 and 138,161.31

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Solution

The fourth proportional to 237,973.56, 356,846.31 and 138,161.31 is: 207,175.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,973.56 : 356,846.31 = 138,161.31 : x
  2. Step 2: Convert to fraction form
    237,973.56/356,846.31 = 138,161.31/x
  3. Step 3: Cross multiply
    237,973.56x = 356,846.31 × 138,161.31
  4. Step 4: Simplify right side
    237,973.56x = 49,302,353,658.27
  5. Step 5: Solve for x
    x = 49,302,353,658.27/237,973.56
  6. Step 6: Final answer
    x = 207,175.76

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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.