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Finding the Fourth Proportional to 115,447.44, 173,188.96 and 48,888

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Solution

The fourth proportional to 115,447.44, 173,188.96 and 48,888 is: 73,339.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,447.44 : 173,188.96 = 48,888 : x
  2. Step 2: Convert to fraction form
    115,447.44/173,188.96 = 48,888/x
  3. Step 3: Cross multiply
    115,447.44x = 173,188.96 × 48,888
  4. Step 4: Simplify right side
    115,447.44x = 8,466,861,876.48
  5. Step 5: Solve for x
    x = 8,466,861,876.48/115,447.44
  6. Step 6: Final answer
    x = 73,339.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.