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Finding the Fourth Proportional to 68,091.60, 102,022.20 and 32,955.60

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Solution

The fourth proportional to 68,091.60, 102,022.20 and 32,955.60 is: 49,377.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,091.60 : 102,022.20 = 32,955.60 : x
  2. Step 2: Convert to fraction form
    68,091.60/102,022.20 = 32,955.60/x
  3. Step 3: Cross multiply
    68,091.60x = 102,022.20 × 32,955.60
  4. Step 4: Simplify right side
    68,091.60x = 3,362,202,814.32
  5. Step 5: Solve for x
    x = 3,362,202,814.32/68,091.60
  6. Step 6: Final answer
    x = 49,377.64

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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.