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Finding the Fourth Proportional to 111,975.40, 168,027.90 and 41,861.80

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Solution

The fourth proportional to 111,975.40, 168,027.90 and 41,861.80 is: 62,816.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,975.40 : 168,027.90 = 41,861.80 : x
  2. Step 2: Convert to fraction form
    111,975.40/168,027.90 = 41,861.80/x
  3. Step 3: Cross multiply
    111,975.40x = 168,027.90 × 41,861.80
  4. Step 4: Simplify right side
    111,975.40x = 7,033,950,344.22
  5. Step 5: Solve for x
    x = 7,033,950,344.22/111,975.40
  6. Step 6: Final answer
    x = 62,816.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.