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Finding the Fourth Proportional to 70,481.10, 97,169.82 and 55,993.34

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Solution

The fourth proportional to 70,481.10, 97,169.82 and 55,993.34 is: 77,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481.10 : 97,169.82 = 55,993.34 : x
  2. Step 2: Convert to fraction form
    70,481.10/97,169.82 = 55,993.34/x
  3. Step 3: Cross multiply
    70,481.10x = 97,169.82 × 55,993.34
  4. Step 4: Simplify right side
    70,481.10x = 5,440,862,769.00
  5. Step 5: Solve for x
    x = 5,440,862,769.00/70,481.10
  6. Step 6: Final answer
    x = 77,196.05

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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.