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Finding the Fourth Proportional to 233,990.56, 322,907.21 and 126,560.73

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Solution

The fourth proportional to 233,990.56, 322,907.21 and 126,560.73 is: 174,653.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,990.56 : 322,907.21 = 126,560.73 : x
  2. Step 2: Convert to fraction form
    233,990.56/322,907.21 = 126,560.73/x
  3. Step 3: Cross multiply
    233,990.56x = 322,907.21 × 126,560.73
  4. Step 4: Simplify right side
    233,990.56x = 40,867,372,219.86
  5. Step 5: Solve for x
    x = 40,867,372,219.86/233,990.56
  6. Step 6: Final answer
    x = 174,653.94

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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.