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Finding the Fourth Proportional to 168,185.89, 251,993.35 and 101,485.87

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Solution

The fourth proportional to 168,185.89, 251,993.35 and 101,485.87 is: 152,056.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185.89 : 251,993.35 = 101,485.87 : x
  2. Step 2: Convert to fraction form
    168,185.89/251,993.35 = 101,485.87/x
  3. Step 3: Cross multiply
    168,185.89x = 251,993.35 × 101,485.87
  4. Step 4: Simplify right side
    168,185.89x = 25,573,764,358.96
  5. Step 5: Solve for x
    x = 25,573,764,358.96/168,185.89
  6. Step 6: Final answer
    x = 152,056.54

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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.