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Finding the Fourth Proportional to 79,424.93, 109,599.26 and 43,614.15

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Solution

The fourth proportional to 79,424.93, 109,599.26 and 43,614.15 is: 60,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,424.93 : 109,599.26 = 43,614.15 : x
  2. Step 2: Convert to fraction form
    79,424.93/109,599.26 = 43,614.15/x
  3. Step 3: Cross multiply
    79,424.93x = 109,599.26 × 43,614.15
  4. Step 4: Simplify right side
    79,424.93x = 4,780,078,347.46
  5. Step 5: Solve for x
    x = 4,780,078,347.46/79,424.93
  6. Step 6: Final answer
    x = 60,183.61

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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.