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Finding the Fourth Proportional to 85,296.04, 127,944.06 and 43,716.52

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Solution

The fourth proportional to 85,296.04, 127,944.06 and 43,716.52 is: 65,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,296.04 : 127,944.06 = 43,716.52 : x
  2. Step 2: Convert to fraction form
    85,296.04/127,944.06 = 43,716.52/x
  3. Step 3: Cross multiply
    85,296.04x = 127,944.06 × 43,716.52
  4. Step 4: Simplify right side
    85,296.04x = 5,593,269,057.87
  5. Step 5: Solve for x
    x = 5,593,269,057.87/85,296.04
  6. Step 6: Final answer
    x = 65,574.78

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Similar ratio
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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.