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Finding the Fourth Proportional to 70,238.70, 96,921.45 and 41,559.24

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Solution

The fourth proportional to 70,238.70, 96,921.45 and 41,559.24 is: 57,347.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,238.70 : 96,921.45 = 41,559.24 : x
  2. Step 2: Convert to fraction form
    70,238.70/96,921.45 = 41,559.24/x
  3. Step 3: Cross multiply
    70,238.70x = 96,921.45 × 41,559.24
  4. Step 4: Simplify right side
    70,238.70x = 4,027,981,801.70
  5. Step 5: Solve for x
    x = 4,027,981,801.70/70,238.70
  6. Step 6: Final answer
    x = 57,347.04

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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.