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Finding the Fourth Proportional to 79,592.66, 109,837.26 and 43,781.89

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Solution

The fourth proportional to 79,592.66, 109,837.26 and 43,781.89 is: 60,418.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,592.66 : 109,837.26 = 43,781.89 : x
  2. Step 2: Convert to fraction form
    79,592.66/109,837.26 = 43,781.89/x
  3. Step 3: Cross multiply
    79,592.66x = 109,837.26 × 43,781.89
  4. Step 4: Simplify right side
    79,592.66x = 4,808,882,560.63
  5. Step 5: Solve for x
    x = 4,808,882,560.63/79,592.66
  6. Step 6: Final answer
    x = 60,418.67

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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.