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Finding the Fourth Proportional to 85,081.82, 127,622.72 and 22,750.70

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Solution

The fourth proportional to 85,081.82, 127,622.72 and 22,750.70 is: 34,126.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,081.82 : 127,622.72 = 22,750.70 : x
  2. Step 2: Convert to fraction form
    85,081.82/127,622.72 = 22,750.70/x
  3. Step 3: Cross multiply
    85,081.82x = 127,622.72 × 22,750.70
  4. Step 4: Simplify right side
    85,081.82x = 2,903,505,464.04
  5. Step 5: Solve for x
    x = 2,903,505,464.04/85,081.82
  6. Step 6: Final answer
    x = 34,126.04

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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.