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Finding the Fourth Proportional to 84,434.92, 116,469.42 and 55,754.84

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Solution

The fourth proportional to 84,434.92, 116,469.42 and 55,754.84 is: 76,908.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,434.92 : 116,469.42 = 55,754.84 : x
  2. Step 2: Convert to fraction form
    84,434.92/116,469.42 = 55,754.84/x
  3. Step 3: Cross multiply
    84,434.92x = 116,469.42 × 55,754.84
  4. Step 4: Simplify right side
    84,434.92x = 6,493,733,876.99
  5. Step 5: Solve for x
    x = 6,493,733,876.99/84,434.92
  6. Step 6: Final answer
    x = 76,908.15

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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.