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Finding the Fourth Proportional to 68,662.20, 102,993.30 and 48,833.40

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Solution

The fourth proportional to 68,662.20, 102,993.30 and 48,833.40 is: 73,250.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,662.20 : 102,993.30 = 48,833.40 : x
  2. Step 2: Convert to fraction form
    68,662.20/102,993.30 = 48,833.40/x
  3. Step 3: Cross multiply
    68,662.20x = 102,993.30 × 48,833.40
  4. Step 4: Simplify right side
    68,662.20x = 5,029,513,016.22
  5. Step 5: Solve for x
    x = 5,029,513,016.22/68,662.20
  6. Step 6: Final answer
    x = 73,250.10

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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.