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Finding the Fourth Proportional to 40,170, 60,276.02 and 29,167.56

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Solution

The fourth proportional to 40,170, 60,276.02 and 29,167.56 is: 43,766.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,170 : 60,276.02 = 29,167.56 : x
  2. Step 2: Convert to fraction form
    40,170/60,276.02 = 29,167.56/x
  3. Step 3: Cross multiply
    40,170x = 60,276.02 × 29,167.56
  4. Step 4: Simplify right side
    40,170x = 1,758,104,429.91
  5. Step 5: Solve for x
    x = 1,758,104,429.91/40,170
  6. Step 6: Final answer
    x = 43,766.60

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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.