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Finding the Fourth Proportional to 247,362.44, 341,360.22 and 139,930.28

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Solution

The fourth proportional to 247,362.44, 341,360.22 and 139,930.28 is: 193,103.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,362.44 : 341,360.22 = 139,930.28 : x
  2. Step 2: Convert to fraction form
    247,362.44/341,360.22 = 139,930.28/x
  3. Step 3: Cross multiply
    247,362.44x = 341,360.22 × 139,930.28
  4. Step 4: Simplify right side
    247,362.44x = 47,766,631,165.46
  5. Step 5: Solve for x
    x = 47,766,631,165.46/247,362.44
  6. Step 6: Final answer
    x = 193,103.82

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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.