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Finding the Fourth Proportional to 79,107.66, 109,168.22 and 43,297.56

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Solution

The fourth proportional to 79,107.66, 109,168.22 and 43,297.56 is: 59,750.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,107.66 : 109,168.22 = 43,297.56 : x
  2. Step 2: Convert to fraction form
    79,107.66/109,168.22 = 43,297.56/x
  3. Step 3: Cross multiply
    79,107.66x = 109,168.22 × 43,297.56
  4. Step 4: Simplify right side
    79,107.66x = 4,726,717,663.79
  5. Step 5: Solve for x
    x = 4,726,717,663.79/79,107.66
  6. Step 6: Final answer
    x = 59,750.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.