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Finding the Fourth Proportional to 67,564.56, 101,363.35 and 47,612.96

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Solution

The fourth proportional to 67,564.56, 101,363.35 and 47,612.96 is: 71,431.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,564.56 : 101,363.35 = 47,612.96 : x
  2. Step 2: Convert to fraction form
    67,564.56/101,363.35 = 47,612.96/x
  3. Step 3: Cross multiply
    67,564.56x = 101,363.35 × 47,612.96
  4. Step 4: Simplify right side
    67,564.56x = 4,826,209,542.72
  5. Step 5: Solve for x
    x = 4,826,209,542.72/67,564.56
  6. Step 6: Final answer
    x = 71,431.09

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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.