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Finding the Fourth Proportional to 70,481.16, 97,260.84 and 42,202.44

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Solution

The fourth proportional to 70,481.16, 97,260.84 and 42,202.44 is: 58,237.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,481.16 : 97,260.84 = 42,202.44 : x
  2. Step 2: Convert to fraction form
    70,481.16/97,260.84 = 42,202.44/x
  3. Step 3: Cross multiply
    70,481.16x = 97,260.84 × 42,202.44
  4. Step 4: Simplify right side
    70,481.16x = 4,104,644,764.45
  5. Step 5: Solve for x
    x = 4,104,644,764.45/70,481.16
  6. Step 6: Final answer
    x = 58,237.47

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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.