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Finding the Fourth Proportional to 67,305.46, 100,846.59 and 40,930.42

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Solution

The fourth proportional to 67,305.46, 100,846.59 and 40,930.42 is: 61,327.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,305.46 : 100,846.59 = 40,930.42 : x
  2. Step 2: Convert to fraction form
    67,305.46/100,846.59 = 40,930.42/x
  3. Step 3: Cross multiply
    67,305.46x = 100,846.59 × 40,930.42
  4. Step 4: Simplify right side
    67,305.46x = 4,127,693,284.27
  5. Step 5: Solve for x
    x = 4,127,693,284.27/67,305.46
  6. Step 6: Final answer
    x = 61,327.76

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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.