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Finding the Fourth Proportional to 133,156.95, 199,736.19 and 44,410.20

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Solution

The fourth proportional to 133,156.95, 199,736.19 and 44,410.20 is: 66,615.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,156.95 : 199,736.19 = 44,410.20 : x
  2. Step 2: Convert to fraction form
    133,156.95/199,736.19 = 44,410.20/x
  3. Step 3: Cross multiply
    133,156.95x = 199,736.19 × 44,410.20
  4. Step 4: Simplify right side
    133,156.95x = 8,870,324,061.87
  5. Step 5: Solve for x
    x = 8,870,324,061.87/133,156.95
  6. Step 6: Final answer
    x = 66,615.55

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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.