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Finding the Fourth Proportional to 232,940.56, 321,457.86 and 132,338.56

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Solution

The fourth proportional to 232,940.56, 321,457.86 and 132,338.56 is: 182,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,940.56 : 321,457.86 = 132,338.56 : x
  2. Step 2: Convert to fraction form
    232,940.56/321,457.86 = 132,338.56/x
  3. Step 3: Cross multiply
    232,940.56x = 321,457.86 × 132,338.56
  4. Step 4: Simplify right side
    232,940.56x = 42,541,270,293.08
  5. Step 5: Solve for x
    x = 42,541,270,293.08/232,940.56
  6. Step 6: Final answer
    x = 182,627.15

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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.