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Finding the Fourth Proportional to 115,546.50, 159,471.18 and 67,826.16

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Solution

The fourth proportional to 115,546.50, 159,471.18 and 67,826.16 is: 93,610.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,546.50 : 159,471.18 = 67,826.16 : x
  2. Step 2: Convert to fraction form
    115,546.50/159,471.18 = 67,826.16/x
  3. Step 3: Cross multiply
    115,546.50x = 159,471.18 × 67,826.16
  4. Step 4: Simplify right side
    115,546.50x = 10,816,317,770.07
  5. Step 5: Solve for x
    x = 10,816,317,770.07/115,546.50
  6. Step 6: Final answer
    x = 93,610.09

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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.