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Finding the Fourth Proportional to 67,470.81, 101,206.56 and 28,027.97

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Solution

The fourth proportional to 67,470.81, 101,206.56 and 28,027.97 is: 42,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,470.81 : 101,206.56 = 28,027.97 : x
  2. Step 2: Convert to fraction form
    67,470.81/101,206.56 = 28,027.97/x
  3. Step 3: Cross multiply
    67,470.81x = 101,206.56 × 28,027.97
  4. Step 4: Simplify right side
    67,470.81x = 2,836,613,921.45
  5. Step 5: Solve for x
    x = 2,836,613,921.45/67,470.81
  6. Step 6: Final answer
    x = 42,042.09

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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.