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Finding the Fourth Proportional to 84,310.94, 116,339.12 and 50,313.12

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Solution

The fourth proportional to 84,310.94, 116,339.12 and 50,313.12 is: 69,426.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,310.94 : 116,339.12 = 50,313.12 : x
  2. Step 2: Convert to fraction form
    84,310.94/116,339.12 = 50,313.12/x
  3. Step 3: Cross multiply
    84,310.94x = 116,339.12 × 50,313.12
  4. Step 4: Simplify right side
    84,310.94x = 5,853,384,105.25
  5. Step 5: Solve for x
    x = 5,853,384,105.25/84,310.94
  6. Step 6: Final answer
    x = 69,426.15

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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.