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Finding the Fourth Proportional to 67,392.27, 101,107.85 and 20,652.03

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Solution

The fourth proportional to 67,392.27, 101,107.85 and 20,652.03 is: 30,984.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,392.27 : 101,107.85 = 20,652.03 : x
  2. Step 2: Convert to fraction form
    67,392.27/101,107.85 = 20,652.03/x
  3. Step 3: Cross multiply
    67,392.27x = 101,107.85 × 20,652.03
  4. Step 4: Simplify right side
    67,392.27x = 2,088,082,248.18
  5. Step 5: Solve for x
    x = 2,088,082,248.18/67,392.27
  6. Step 6: Final answer
    x = 30,984.00

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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.