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Finding the Fourth Proportional to 251,486.33, 377,026.38 and 82,901.43

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Solution

The fourth proportional to 251,486.33, 377,026.38 and 82,901.43 is: 124,285.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,486.33 : 377,026.38 = 82,901.43 : x
  2. Step 2: Convert to fraction form
    251,486.33/377,026.38 = 82,901.43/x
  3. Step 3: Cross multiply
    251,486.33x = 377,026.38 × 82,901.43
  4. Step 4: Simplify right side
    251,486.33x = 31,256,026,049.72
  5. Step 5: Solve for x
    x = 31,256,026,049.72/251,486.33
  6. Step 6: Final answer
    x = 124,285.19

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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.