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Finding the Fourth Proportional to 67,273.20, 100,861.20 and 37,700.10

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Solution

The fourth proportional to 67,273.20, 100,861.20 and 37,700.10 is: 56,522.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,273.20 : 100,861.20 = 37,700.10 : x
  2. Step 2: Convert to fraction form
    67,273.20/100,861.20 = 37,700.10/x
  3. Step 3: Cross multiply
    67,273.20x = 100,861.20 × 37,700.10
  4. Step 4: Simplify right side
    67,273.20x = 3,802,477,326.12
  5. Step 5: Solve for x
    x = 3,802,477,326.12/67,273.20
  6. Step 6: Final answer
    x = 56,522.91

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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.