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Finding the Fourth Proportional to 74,481.93, 111,659.92 and 32,330.34

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Solution

The fourth proportional to 74,481.93, 111,659.92 and 32,330.34 is: 48,468.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,481.93 : 111,659.92 = 32,330.34 : x
  2. Step 2: Convert to fraction form
    74,481.93/111,659.92 = 32,330.34/x
  3. Step 3: Cross multiply
    74,481.93x = 111,659.92 × 32,330.34
  4. Step 4: Simplify right side
    74,481.93x = 3,610,003,097.15
  5. Step 5: Solve for x
    x = 3,610,003,097.15/74,481.93
  6. Step 6: Final answer
    x = 48,468.17

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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.