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Finding the Fourth Proportional to 79,058.09, 118,481.84 and 29,091.96

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Solution

The fourth proportional to 79,058.09, 118,481.84 and 29,091.96 is: 43,599.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,058.09 : 118,481.84 = 29,091.96 : x
  2. Step 2: Convert to fraction form
    79,058.09/118,481.84 = 29,091.96/x
  3. Step 3: Cross multiply
    79,058.09x = 118,481.84 × 29,091.96
  4. Step 4: Simplify right side
    79,058.09x = 3,446,868,913.64
  5. Step 5: Solve for x
    x = 3,446,868,913.64/79,058.09
  6. Step 6: Final answer
    x = 43,599.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.