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Finding the Fourth Proportional to 98,350.92, 135,611.96 and 80,837.91

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Solution

The fourth proportional to 98,350.92, 135,611.96 and 80,837.91 is: 111,464.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,350.92 : 135,611.96 = 80,837.91 : x
  2. Step 2: Convert to fraction form
    98,350.92/135,611.96 = 80,837.91/x
  3. Step 3: Cross multiply
    98,350.92x = 135,611.96 × 80,837.91
  4. Step 4: Simplify right side
    98,350.92x = 10,962,587,013.21
  5. Step 5: Solve for x
    x = 10,962,587,013.21/98,350.92
  6. Step 6: Final answer
    x = 111,464.00

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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.