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Finding the Fourth Proportional to 161,846.92, 223,340.34 and 89,261.74

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Solution

The fourth proportional to 161,846.92, 223,340.34 and 89,261.74 is: 123,176.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,846.92 : 223,340.34 = 89,261.74 : x
  2. Step 2: Convert to fraction form
    161,846.92/223,340.34 = 89,261.74/x
  3. Step 3: Cross multiply
    161,846.92x = 223,340.34 × 89,261.74
  4. Step 4: Simplify right side
    161,846.92x = 19,935,747,360.59
  5. Step 5: Solve for x
    x = 19,935,747,360.59/161,846.92
  6. Step 6: Final answer
    x = 123,176.56

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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.