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Finding the Fourth Proportional to 237,912.51, 356,755.74 and 138,103.29

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Solution

The fourth proportional to 237,912.51, 356,755.74 and 138,103.29 is: 207,089.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,912.51 : 356,755.74 = 138,103.29 : x
  2. Step 2: Convert to fraction form
    237,912.51/356,755.74 = 138,103.29/x
  3. Step 3: Cross multiply
    237,912.51x = 356,755.74 × 138,103.29
  4. Step 4: Simplify right side
    237,912.51x = 49,269,141,420.38
  5. Step 5: Solve for x
    x = 49,269,141,420.38/237,912.51
  6. Step 6: Final answer
    x = 207,089.33

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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.