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Finding the Fourth Proportional to 68,325.71, 102,520.22 and 26,191.71

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Solution

The fourth proportional to 68,325.71, 102,520.22 and 26,191.71 is: 39,299.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,325.71 : 102,520.22 = 26,191.71 : x
  2. Step 2: Convert to fraction form
    68,325.71/102,520.22 = 26,191.71/x
  3. Step 3: Cross multiply
    68,325.71x = 102,520.22 × 26,191.71
  4. Step 4: Simplify right side
    68,325.71x = 2,685,179,740.42
  5. Step 5: Solve for x
    x = 2,685,179,740.42/68,325.71
  6. Step 6: Final answer
    x = 39,299.70

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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.