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Finding the Fourth Proportional to 71,199.41, 106,815.31 and 37,901.93

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Solution

The fourth proportional to 71,199.41, 106,815.31 and 37,901.93 is: 56,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,199.41 : 106,815.31 = 37,901.93 : x
  2. Step 2: Convert to fraction form
    71,199.41/106,815.31 = 37,901.93/x
  3. Step 3: Cross multiply
    71,199.41x = 106,815.31 × 37,901.93
  4. Step 4: Simplify right side
    71,199.41x = 4,048,505,773.72
  5. Step 5: Solve for x
    x = 4,048,505,773.72/71,199.41
  6. Step 6: Final answer
    x = 56,861.51

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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.