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Finding the Fourth Proportional to 92,608.56, 138,884.12 and 33,436.48

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Solution

The fourth proportional to 92,608.56, 138,884.12 and 33,436.48 is: 50,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,608.56 : 138,884.12 = 33,436.48 : x
  2. Step 2: Convert to fraction form
    92,608.56/138,884.12 = 33,436.48/x
  3. Step 3: Cross multiply
    92,608.56x = 138,884.12 × 33,436.48
  4. Step 4: Simplify right side
    92,608.56x = 4,643,796,100.70
  5. Step 5: Solve for x
    x = 4,643,796,100.70/92,608.56
  6. Step 6: Final answer
    x = 50,144.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.