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Finding the Fourth Proportional to 68,000.60, 102,000.90 and 32,943.80

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Solution

The fourth proportional to 68,000.60, 102,000.90 and 32,943.80 is: 49,415.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,000.60 : 102,000.90 = 32,943.80 : x
  2. Step 2: Convert to fraction form
    68,000.60/102,000.90 = 32,943.80/x
  3. Step 3: Cross multiply
    68,000.60x = 102,000.90 × 32,943.80
  4. Step 4: Simplify right side
    68,000.60x = 3,360,297,249.42
  5. Step 5: Solve for x
    x = 3,360,297,249.42/68,000.60
  6. Step 6: Final answer
    x = 49,415.70

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1.5x scale

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.