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Finding the Fourth Proportional to 70,975.35, 106,241.49 and 52,276.50

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Solution

The fourth proportional to 70,975.35, 106,241.49 and 52,276.50 is: 78,251.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,975.35 : 106,241.49 = 52,276.50 : x
  2. Step 2: Convert to fraction form
    70,975.35/106,241.49 = 52,276.50/x
  3. Step 3: Cross multiply
    70,975.35x = 106,241.49 × 52,276.50
  4. Step 4: Simplify right side
    70,975.35x = 5,553,933,251.99
  5. Step 5: Solve for x
    x = 5,553,933,251.99/70,975.35
  6. Step 6: Final answer
    x = 78,251.58

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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.