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Finding the Fourth Proportional to 247,627.77, 371,462.37 and 79,172.07

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Solution

The fourth proportional to 247,627.77, 371,462.37 and 79,172.07 is: 118,764.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,627.77 : 371,462.37 = 79,172.07 : x
  2. Step 2: Convert to fraction form
    247,627.77/371,462.37 = 79,172.07/x
  3. Step 3: Cross multiply
    247,627.77x = 371,462.37 × 79,172.07
  4. Step 4: Simplify right side
    247,627.77x = 29,409,444,760.01
  5. Step 5: Solve for x
    x = 29,409,444,760.01/247,627.77
  6. Step 6: Final answer
    x = 118,764.73

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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.