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Finding the Fourth Proportional to 137,744.43, 206,696.42 and 57,775.29

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Solution

The fourth proportional to 137,744.43, 206,696.42 and 57,775.29 is: 86,696.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,744.43 : 206,696.42 = 57,775.29 : x
  2. Step 2: Convert to fraction form
    137,744.43/206,696.42 = 57,775.29/x
  3. Step 3: Cross multiply
    137,744.43x = 206,696.42 × 57,775.29
  4. Step 4: Simplify right side
    137,744.43x = 11,941,945,607.46
  5. Step 5: Solve for x
    x = 11,941,945,607.46/137,744.43
  6. Step 6: Final answer
    x = 86,696.40

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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.