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Finding the Fourth Proportional to 68,364.60, 102,546.90 and 62,662.20

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Solution

The fourth proportional to 68,364.60, 102,546.90 and 62,662.20 is: 93,993.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,364.60 : 102,546.90 = 62,662.20 : x
  2. Step 2: Convert to fraction form
    68,364.60/102,546.90 = 62,662.20/x
  3. Step 3: Cross multiply
    68,364.60x = 102,546.90 × 62,662.20
  4. Step 4: Simplify right side
    68,364.60x = 6,425,814,357.18
  5. Step 5: Solve for x
    x = 6,425,814,357.18/68,364.60
  6. Step 6: Final answer
    x = 93,993.30

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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.