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Finding the Fourth Proportional to 159,892.94, 220,650.66 and 88,273.41

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Solution

The fourth proportional to 159,892.94, 220,650.66 and 88,273.41 is: 121,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,892.94 : 220,650.66 = 88,273.41 : x
  2. Step 2: Convert to fraction form
    159,892.94/220,650.66 = 88,273.41/x
  3. Step 3: Cross multiply
    159,892.94x = 220,650.66 × 88,273.41
  4. Step 4: Simplify right side
    159,892.94x = 19,477,586,176.95
  5. Step 5: Solve for x
    x = 19,477,586,176.95/159,892.94
  6. Step 6: Final answer
    x = 121,816.43

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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.