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Finding the Fourth Proportional to 67,080.66, 100,667.16 and 27,637.71

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Solution

The fourth proportional to 67,080.66, 100,667.16 and 27,637.71 is: 41,475.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,080.66 : 100,667.16 = 27,637.71 : x
  2. Step 2: Convert to fraction form
    67,080.66/100,667.16 = 27,637.71/x
  3. Step 3: Cross multiply
    67,080.66x = 100,667.16 × 27,637.71
  4. Step 4: Simplify right side
    67,080.66x = 2,782,209,774.60
  5. Step 5: Solve for x
    x = 2,782,209,774.60/67,080.66
  6. Step 6: Final answer
    x = 41,475.59

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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.