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Finding the Fourth Proportional to 218,615.06, 327,922.65 and 168,767.93

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Solution

The fourth proportional to 218,615.06, 327,922.65 and 168,767.93 is: 253,151.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,615.06 : 327,922.65 = 168,767.93 : x
  2. Step 2: Convert to fraction form
    218,615.06/327,922.65 = 168,767.93/x
  3. Step 3: Cross multiply
    218,615.06x = 327,922.65 × 168,767.93
  4. Step 4: Simplify right side
    218,615.06x = 55,342,825,201.00
  5. Step 5: Solve for x
    x = 55,342,825,201.00/218,615.06
  6. Step 6: Final answer
    x = 253,151.94

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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.