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Finding the Fourth Proportional to 67,722, 93,425.34 and 43,856.36

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Solution

The fourth proportional to 67,722, 93,425.34 and 43,856.36 is: 60,501.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,722 : 93,425.34 = 43,856.36 : x
  2. Step 2: Convert to fraction form
    67,722/93,425.34 = 43,856.36/x
  3. Step 3: Cross multiply
    67,722x = 93,425.34 × 43,856.36
  4. Step 4: Simplify right side
    67,722x = 4,097,295,344.16
  5. Step 5: Solve for x
    x = 4,097,295,344.16/67,722
  6. Step 6: Final answer
    x = 60,501.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.