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Finding the Fourth Proportional to 88,679.54, 122,372.86 and 50,433.92

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Solution

The fourth proportional to 88,679.54, 122,372.86 and 50,433.92 is: 69,596.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,679.54 : 122,372.86 = 50,433.92 : x
  2. Step 2: Convert to fraction form
    88,679.54/122,372.86 = 50,433.92/x
  3. Step 3: Cross multiply
    88,679.54x = 122,372.86 × 50,433.92
  4. Step 4: Simplify right side
    88,679.54x = 6,171,743,031.41
  5. Step 5: Solve for x
    x = 6,171,743,031.41/88,679.54
  6. Step 6: Final answer
    x = 69,596.02

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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.