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Finding the Fourth Proportional to 239,360.92, 330,313.97 and 131,940.95

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Solution

The fourth proportional to 239,360.92, 330,313.97 and 131,940.95 is: 182,076.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,360.92 : 330,313.97 = 131,940.95 : x
  2. Step 2: Convert to fraction form
    239,360.92/330,313.97 = 131,940.95/x
  3. Step 3: Cross multiply
    239,360.92x = 330,313.97 × 131,940.95
  4. Step 4: Simplify right side
    239,360.92x = 43,581,937,678.35
  5. Step 5: Solve for x
    x = 43,581,937,678.35/239,360.92
  6. Step 6: Final answer
    x = 182,076.25

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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.