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Finding the Fourth Proportional to 63,212.24, 87,231.24 and 34,913.36

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Solution

The fourth proportional to 63,212.24, 87,231.24 and 34,913.36 is: 48,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.24 : 87,231.24 = 34,913.36 : x
  2. Step 2: Convert to fraction form
    63,212.24/87,231.24 = 34,913.36/x
  3. Step 3: Cross multiply
    63,212.24x = 87,231.24 × 34,913.36
  4. Step 4: Simplify right side
    63,212.24x = 3,045,535,685.37
  5. Step 5: Solve for x
    x = 3,045,535,685.37/63,212.24
  6. Step 6: Final answer
    x = 48,179.52

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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.