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Finding the Fourth Proportional to 79,657.24, 109,926.15 and 43,846.48

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Solution

The fourth proportional to 79,657.24, 109,926.15 and 43,846.48 is: 60,507.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,657.24 : 109,926.15 = 43,846.48 : x
  2. Step 2: Convert to fraction form
    79,657.24/109,926.15 = 43,846.48/x
  3. Step 3: Cross multiply
    79,657.24x = 109,926.15 × 43,846.48
  4. Step 4: Simplify right side
    79,657.24x = 4,819,874,737.45
  5. Step 5: Solve for x
    x = 4,819,874,737.45/79,657.24
  6. Step 6: Final answer
    x = 60,507.68

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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.