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Finding the Fourth Proportional to 73,818.72, 101,872.08 and 41,992.20

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Solution

The fourth proportional to 73,818.72, 101,872.08 and 41,992.20 is: 57,950.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,818.72 : 101,872.08 = 41,992.20 : x
  2. Step 2: Convert to fraction form
    73,818.72/101,872.08 = 41,992.20/x
  3. Step 3: Cross multiply
    73,818.72x = 101,872.08 × 41,992.20
  4. Step 4: Simplify right side
    73,818.72x = 4,277,832,757.78
  5. Step 5: Solve for x
    x = 4,277,832,757.78/73,818.72
  6. Step 6: Final answer
    x = 57,950.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.