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Finding the Fourth Proportional to 68,329.40, 102,494.10 and 44,982.20

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Solution

The fourth proportional to 68,329.40, 102,494.10 and 44,982.20 is: 67,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,329.40 : 102,494.10 = 44,982.20 : x
  2. Step 2: Convert to fraction form
    68,329.40/102,494.10 = 44,982.20/x
  3. Step 3: Cross multiply
    68,329.40x = 102,494.10 × 44,982.20
  4. Step 4: Simplify right side
    68,329.40x = 4,610,410,105.02
  5. Step 5: Solve for x
    x = 4,610,410,105.02/68,329.40
  6. Step 6: Final answer
    x = 67,473.30

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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.