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Finding the Fourth Proportional to 273,042.78, 376,800.79 and 152,191.73

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Solution

The fourth proportional to 273,042.78, 376,800.79 and 152,191.73 is: 210,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,042.78 : 376,800.79 = 152,191.73 : x
  2. Step 2: Convert to fraction form
    273,042.78/376,800.79 = 152,191.73/x
  3. Step 3: Cross multiply
    273,042.78x = 376,800.79 × 152,191.73
  4. Step 4: Simplify right side
    273,042.78x = 57,345,964,942.35
  5. Step 5: Solve for x
    x = 57,345,964,942.35/273,042.78
  6. Step 6: Final answer
    x = 210,025.57

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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.