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Finding the Fourth Proportional to 67,400.83, 101,092.44 and 20,014.95

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Solution

The fourth proportional to 67,400.83, 101,092.44 and 20,014.95 is: 30,019.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,400.83 : 101,092.44 = 20,014.95 : x
  2. Step 2: Convert to fraction form
    67,400.83/101,092.44 = 20,014.95/x
  3. Step 3: Cross multiply
    67,400.83x = 101,092.44 × 20,014.95
  4. Step 4: Simplify right side
    67,400.83x = 2,023,360,436.02
  5. Step 5: Solve for x
    x = 2,023,360,436.02/67,400.83
  6. Step 6: Final answer
    x = 30,019.81

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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.