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Finding the Fourth Proportional to 159,909, 220,693.86 and 92,841

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Solution

The fourth proportional to 159,909, 220,693.86 and 92,841 is: 128,131.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,909 : 220,693.86 = 92,841 : x
  2. Step 2: Convert to fraction form
    159,909/220,693.86 = 92,841/x
  3. Step 3: Cross multiply
    159,909x = 220,693.86 × 92,841
  4. Step 4: Simplify right side
    159,909x = 20,489,438,656.26
  5. Step 5: Solve for x
    x = 20,489,438,656.26/159,909
  6. Step 6: Final answer
    x = 128,131.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.