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Finding the Fourth Proportional to 71,359.58, 107,105.80 and 36,325.46

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Solution

The fourth proportional to 71,359.58, 107,105.80 and 36,325.46 is: 54,522.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,359.58 : 107,105.80 = 36,325.46 : x
  2. Step 2: Convert to fraction form
    71,359.58/107,105.80 = 36,325.46/x
  3. Step 3: Cross multiply
    71,359.58x = 107,105.80 × 36,325.46
  4. Step 4: Simplify right side
    71,359.58x = 3,890,667,453.67
  5. Step 5: Solve for x
    x = 3,890,667,453.67/71,359.58
  6. Step 6: Final answer
    x = 54,522.01

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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.