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Finding the Fourth Proportional to 68,229.68, 94,155.54 and 38,014.88

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Solution

The fourth proportional to 68,229.68, 94,155.54 and 38,014.88 is: 52,459.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,229.68 : 94,155.54 = 38,014.88 : x
  2. Step 2: Convert to fraction form
    68,229.68/94,155.54 = 38,014.88/x
  3. Step 3: Cross multiply
    68,229.68x = 94,155.54 × 38,014.88
  4. Step 4: Simplify right side
    68,229.68x = 3,579,311,554.44
  5. Step 5: Solve for x
    x = 3,579,311,554.44/68,229.68
  6. Step 6: Final answer
    x = 52,459.74

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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.