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Finding the Fourth Proportional to 133,099.80, 199,601.10 and 44,356.20

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Solution

The fourth proportional to 133,099.80, 199,601.10 and 44,356.20 is: 66,518.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,099.80 : 199,601.10 = 44,356.20 : x
  2. Step 2: Convert to fraction form
    133,099.80/199,601.10 = 44,356.20/x
  3. Step 3: Cross multiply
    133,099.80x = 199,601.10 × 44,356.20
  4. Step 4: Simplify right side
    133,099.80x = 8,853,546,311.82
  5. Step 5: Solve for x
    x = 8,853,546,311.82/133,099.80
  6. Step 6: Final answer
    x = 66,518.10

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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.