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Finding the Fourth Proportional to 269,730.78, 371,936.79 and 183,745.50

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Solution

The fourth proportional to 269,730.78, 371,936.79 and 183,745.50 is: 253,370.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,730.78 : 371,936.79 = 183,745.50 : x
  2. Step 2: Convert to fraction form
    269,730.78/371,936.79 = 183,745.50/x
  3. Step 3: Cross multiply
    269,730.78x = 371,936.79 × 183,745.50
  4. Step 4: Simplify right side
    269,730.78x = 68,341,711,446.95
  5. Step 5: Solve for x
    x = 68,341,711,446.95/269,730.78
  6. Step 6: Final answer
    x = 253,370.09

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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.