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Finding the Fourth Proportional to 73,816.92, 101,847.78 and 41,980.68

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Solution

The fourth proportional to 73,816.92, 101,847.78 and 41,980.68 is: 57,922.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,816.92 : 101,847.78 = 41,980.68 : x
  2. Step 2: Convert to fraction form
    73,816.92/101,847.78 = 41,980.68/x
  3. Step 3: Cross multiply
    73,816.92x = 101,847.78 × 41,980.68
  4. Step 4: Simplify right side
    73,816.92x = 4,275,639,060.89
  5. Step 5: Solve for x
    x = 4,275,639,060.89/73,816.92
  6. Step 6: Final answer
    x = 57,922.21

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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.