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Finding the Fourth Proportional to 79,052.72, 109,095.48 and 43,244.96

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Solution

The fourth proportional to 79,052.72, 109,095.48 and 43,244.96 is: 59,679.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,052.72 : 109,095.48 = 43,244.96 : x
  2. Step 2: Convert to fraction form
    79,052.72/109,095.48 = 43,244.96/x
  3. Step 3: Cross multiply
    79,052.72x = 109,095.48 × 43,244.96
  4. Step 4: Simplify right side
    79,052.72x = 4,717,829,668.78
  5. Step 5: Solve for x
    x = 4,717,829,668.78/79,052.72
  6. Step 6: Final answer
    x = 59,679.54

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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.