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Finding the Fourth Proportional to 71,636.90, 107,426.16 and 32,183.42

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Solution

The fourth proportional to 71,636.90, 107,426.16 and 32,183.42 is: 48,262.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636.90 : 107,426.16 = 32,183.42 : x
  2. Step 2: Convert to fraction form
    71,636.90/107,426.16 = 32,183.42/x
  3. Step 3: Cross multiply
    71,636.90x = 107,426.16 × 32,183.42
  4. Step 4: Simplify right side
    71,636.90x = 3,457,341,226.27
  5. Step 5: Solve for x
    x = 3,457,341,226.27/71,636.90
  6. Step 6: Final answer
    x = 48,262.02

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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.