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Finding the Fourth Proportional to 67,194.60, 92,728.62 and 36,982.11

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Solution

The fourth proportional to 67,194.60, 92,728.62 and 36,982.11 is: 51,035.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,194.60 : 92,728.62 = 36,982.11 : x
  2. Step 2: Convert to fraction form
    67,194.60/92,728.62 = 36,982.11/x
  3. Step 3: Cross multiply
    67,194.60x = 92,728.62 × 36,982.11
  4. Step 4: Simplify right side
    67,194.60x = 3,429,300,024.99
  5. Step 5: Solve for x
    x = 3,429,300,024.99/67,194.60
  6. Step 6: Final answer
    x = 51,035.35

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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.