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Finding the Fourth Proportional to 79,366.82, 109,531.14 and 52,462.67

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Solution

The fourth proportional to 79,366.82, 109,531.14 and 52,462.67 is: 72,401.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,366.82 : 109,531.14 = 52,462.67 : x
  2. Step 2: Convert to fraction form
    79,366.82/109,531.14 = 52,462.67/x
  3. Step 3: Cross multiply
    79,366.82x = 109,531.14 × 52,462.67
  4. Step 4: Simplify right side
    79,366.82x = 5,746,296,052.54
  5. Step 5: Solve for x
    x = 5,746,296,052.54/79,366.82
  6. Step 6: Final answer
    x = 72,401.74

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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.