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Finding the Fourth Proportional to 272,651.54, 376,255.41 and 151,789.46

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Solution

The fourth proportional to 272,651.54, 376,255.41 and 151,789.46 is: 209,467.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,651.54 : 376,255.41 = 151,789.46 : x
  2. Step 2: Convert to fraction form
    272,651.54/376,255.41 = 151,789.46/x
  3. Step 3: Cross multiply
    272,651.54x = 376,255.41 × 151,789.46
  4. Step 4: Simplify right side
    272,651.54x = 57,111,605,505.98
  5. Step 5: Solve for x
    x = 57,111,605,505.98/272,651.54
  6. Step 6: Final answer
    x = 209,467.39

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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.