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Finding the Fourth Proportional to 79,735.72, 110,034.66 and 43,929.64

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Solution

The fourth proportional to 79,735.72, 110,034.66 and 43,929.64 is: 60,622.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,735.72 : 110,034.66 = 43,929.64 : x
  2. Step 2: Convert to fraction form
    79,735.72/110,034.66 = 43,929.64/x
  3. Step 3: Cross multiply
    79,735.72x = 110,034.66 × 43,929.64
  4. Step 4: Simplify right side
    79,735.72x = 4,833,783,001.32
  5. Step 5: Solve for x
    x = 4,833,783,001.32/79,735.72
  6. Step 6: Final answer
    x = 60,622.55

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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.