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Finding the Fourth Proportional to 63,212.23, 87,232.87 and 34,919.74

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Solution

The fourth proportional to 63,212.23, 87,232.87 and 34,919.74 is: 48,189.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,212.23 : 87,232.87 = 34,919.74 : x
  2. Step 2: Convert to fraction form
    63,212.23/87,232.87 = 34,919.74/x
  3. Step 3: Cross multiply
    63,212.23x = 87,232.87 × 34,919.74
  4. Step 4: Simplify right side
    63,212.23x = 3,046,149,139.85
  5. Step 5: Solve for x
    x = 3,046,149,139.85/63,212.23
  6. Step 6: Final answer
    x = 48,189.24

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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.