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Finding the Fourth Proportional to 71,355.08, 107,099.04 and 36,320.96

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Solution

The fourth proportional to 71,355.08, 107,099.04 and 36,320.96 is: 54,515.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,355.08 : 107,099.04 = 36,320.96 : x
  2. Step 2: Convert to fraction form
    71,355.08/107,099.04 = 36,320.96/x
  3. Step 3: Cross multiply
    71,355.08x = 107,099.04 × 36,320.96
  4. Step 4: Simplify right side
    71,355.08x = 3,889,939,947.88
  5. Step 5: Solve for x
    x = 3,889,939,947.88/71,355.08
  6. Step 6: Final answer
    x = 54,515.25

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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.