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Finding the Fourth Proportional to 90,995.97, 136,508.98 and 41,074.96

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Solution

The fourth proportional to 90,995.97, 136,508.98 and 41,074.96 is: 61,619.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,995.97 : 136,508.98 = 41,074.96 : x
  2. Step 2: Convert to fraction form
    90,995.97/136,508.98 = 41,074.96/x
  3. Step 3: Cross multiply
    90,995.97x = 136,508.98 × 41,074.96
  4. Step 4: Simplify right side
    90,995.97x = 5,607,100,893.14
  5. Step 5: Solve for x
    x = 5,607,100,893.14/90,995.97
  6. Step 6: Final answer
    x = 61,619.22

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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.