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Finding the Fourth Proportional to 73,487.59, 110,219.58 and 20,167.11

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Solution

The fourth proportional to 73,487.59, 110,219.58 and 20,167.11 is: 30,247.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,487.59 : 110,219.58 = 20,167.11 : x
  2. Step 2: Convert to fraction form
    73,487.59/110,219.58 = 20,167.11/x
  3. Step 3: Cross multiply
    73,487.59x = 110,219.58 × 20,167.11
  4. Step 4: Simplify right side
    73,487.59x = 2,222,810,394.01
  5. Step 5: Solve for x
    x = 2,222,810,394.01/73,487.59
  6. Step 6: Final answer
    x = 30,247.43

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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.