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Finding the Fourth Proportional to 67,819.05, 101,730.90 and 27,292.05

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Solution

The fourth proportional to 67,819.05, 101,730.90 and 27,292.05 is: 40,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,819.05 : 101,730.90 = 27,292.05 : x
  2. Step 2: Convert to fraction form
    67,819.05/101,730.90 = 27,292.05/x
  3. Step 3: Cross multiply
    67,819.05x = 101,730.90 × 27,292.05
  4. Step 4: Simplify right side
    67,819.05x = 2,776,444,809.35
  5. Step 5: Solve for x
    x = 2,776,444,809.35/67,819.05
  6. Step 6: Final answer
    x = 40,939.01

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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.