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Finding the Fourth Proportional to 178,843.97, 268,493.59 and 115,927.37

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Solution

The fourth proportional to 178,843.97, 268,493.59 and 115,927.37 is: 174,038.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,843.97 : 268,493.59 = 115,927.37 : x
  2. Step 2: Convert to fraction form
    178,843.97/268,493.59 = 115,927.37/x
  3. Step 3: Cross multiply
    178,843.97x = 268,493.59 × 115,927.37
  4. Step 4: Simplify right side
    178,843.97x = 31,125,754,907.76
  5. Step 5: Solve for x
    x = 31,125,754,907.76/178,843.97
  6. Step 6: Final answer
    x = 174,038.61

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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.