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Finding the Fourth Proportional to 101,919.03, 152,861.12 and 27,046.76

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Solution

The fourth proportional to 101,919.03, 152,861.12 and 27,046.76 is: 40,565.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,919.03 : 152,861.12 = 27,046.76 : x
  2. Step 2: Convert to fraction form
    101,919.03/152,861.12 = 27,046.76/x
  3. Step 3: Cross multiply
    101,919.03x = 152,861.12 × 27,046.76
  4. Step 4: Simplify right side
    101,919.03x = 4,134,397,126.43
  5. Step 5: Solve for x
    x = 4,134,397,126.43/101,919.03
  6. Step 6: Final answer
    x = 40,565.51

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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.