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Finding the Fourth Proportional to 218,051.96, 327,073.86 and 118,843.52

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Solution

The fourth proportional to 218,051.96, 327,073.86 and 118,843.52 is: 178,263.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,051.96 : 327,073.86 = 118,843.52 : x
  2. Step 2: Convert to fraction form
    218,051.96/327,073.86 = 118,843.52/x
  3. Step 3: Cross multiply
    218,051.96x = 327,073.86 × 118,843.52
  4. Step 4: Simplify right side
    218,051.96x = 38,870,608,822.39
  5. Step 5: Solve for x
    x = 38,870,608,822.39/218,051.96
  6. Step 6: Final answer
    x = 178,263.06

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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.