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Finding the Fourth Proportional to 148,420.96, 204,841.92 and 91,850.56

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Solution

The fourth proportional to 148,420.96, 204,841.92 and 91,850.56 is: 126,766.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,420.96 : 204,841.92 = 91,850.56 : x
  2. Step 2: Convert to fraction form
    148,420.96/204,841.92 = 91,850.56/x
  3. Step 3: Cross multiply
    148,420.96x = 204,841.92 × 91,850.56
  4. Step 4: Simplify right side
    148,420.96x = 18,814,845,063.48
  5. Step 5: Solve for x
    x = 18,814,845,063.48/148,420.96
  6. Step 6: Final answer
    x = 126,766.77

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1.5x scale

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.