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Finding the Fourth Proportional to 85,081.87, 127,622.84 and 35,107.06

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Solution

The fourth proportional to 85,081.87, 127,622.84 and 35,107.06 is: 52,660.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,081.87 : 127,622.84 = 35,107.06 : x
  2. Step 2: Convert to fraction form
    85,081.87/127,622.84 = 35,107.06/x
  3. Step 3: Cross multiply
    85,081.87x = 127,622.84 × 35,107.06
  4. Step 4: Simplify right side
    85,081.87x = 4,480,462,701.25
  5. Step 5: Solve for x
    x = 4,480,462,701.25/85,081.87
  6. Step 6: Final answer
    x = 52,660.60

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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.