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Finding the Fourth Proportional to 80,453.73, 110,632.49 and 69,824.91

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Solution

The fourth proportional to 80,453.73, 110,632.49 and 69,824.91 is: 96,016.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,453.73 : 110,632.49 = 69,824.91 : x
  2. Step 2: Convert to fraction form
    80,453.73/110,632.49 = 69,824.91/x
  3. Step 3: Cross multiply
    80,453.73x = 110,632.49 × 69,824.91
  4. Step 4: Simplify right side
    80,453.73x = 7,724,903,657.33
  5. Step 5: Solve for x
    x = 7,724,903,657.33/80,453.73
  6. Step 6: Final answer
    x = 96,016.72

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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.