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Finding the Fourth Proportional to 166,971.32, 250,486.16 and 73,474.64

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Solution

The fourth proportional to 166,971.32, 250,486.16 and 73,474.64 is: 110,224.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,971.32 : 250,486.16 = 73,474.64 : x
  2. Step 2: Convert to fraction form
    166,971.32/250,486.16 = 73,474.64/x
  3. Step 3: Cross multiply
    166,971.32x = 250,486.16 × 73,474.64
  4. Step 4: Simplify right side
    166,971.32x = 18,404,380,430.98
  5. Step 5: Solve for x
    x = 18,404,380,430.98/166,971.32
  6. Step 6: Final answer
    x = 110,224.80

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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.