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Finding the Fourth Proportional to 73,116.87, 100,900.43 and 41,287.11

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Solution

The fourth proportional to 73,116.87, 100,900.43 and 41,287.11 is: 56,975.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,116.87 : 100,900.43 = 41,287.11 : x
  2. Step 2: Convert to fraction form
    73,116.87/100,900.43 = 41,287.11/x
  3. Step 3: Cross multiply
    73,116.87x = 100,900.43 × 41,287.11
  4. Step 4: Simplify right side
    73,116.87x = 4,165,886,441.52
  5. Step 5: Solve for x
    x = 4,165,886,441.52/73,116.87
  6. Step 6: Final answer
    x = 56,975.73

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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.