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Finding the Fourth Proportional to 68,122.44, 94,009.68 and 37,906.20

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Solution

The fourth proportional to 68,122.44, 94,009.68 and 37,906.20 is: 52,310.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,122.44 : 94,009.68 = 37,906.20 : x
  2. Step 2: Convert to fraction form
    68,122.44/94,009.68 = 37,906.20/x
  3. Step 3: Cross multiply
    68,122.44x = 94,009.68 × 37,906.20
  4. Step 4: Simplify right side
    68,122.44x = 3,563,549,732.02
  5. Step 5: Solve for x
    x = 3,563,549,732.02/68,122.44
  6. Step 6: Final answer
    x = 52,310.95

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1.5x scale

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.