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Finding the Fourth Proportional to 325,812.78, 488,795.67 and 101,161.62

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Solution

The fourth proportional to 325,812.78, 488,795.67 and 101,161.62 is: 151,766.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,812.78 : 488,795.67 = 101,161.62 : x
  2. Step 2: Convert to fraction form
    325,812.78/488,795.67 = 101,161.62/x
  3. Step 3: Cross multiply
    325,812.78x = 488,795.67 × 101,161.62
  4. Step 4: Simplify right side
    325,812.78x = 49,447,361,826.19
  5. Step 5: Solve for x
    x = 49,447,361,826.19/325,812.78
  6. Step 6: Final answer
    x = 151,766.18

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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.