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Finding the Fourth Proportional to 68,191.44, 102,280.68 and 23,809.92

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Solution

The fourth proportional to 68,191.44, 102,280.68 and 23,809.92 is: 35,712.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,191.44 : 102,280.68 = 23,809.92 : x
  2. Step 2: Convert to fraction form
    68,191.44/102,280.68 = 23,809.92/x
  3. Step 3: Cross multiply
    68,191.44x = 102,280.68 × 23,809.92
  4. Step 4: Simplify right side
    68,191.44x = 2,435,294,808.35
  5. Step 5: Solve for x
    x = 2,435,294,808.35/68,191.44
  6. Step 6: Final answer
    x = 35,712.62

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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.