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Finding the Fourth Proportional to 164,481.80, 246,731.51 and 52,170.54

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Solution

The fourth proportional to 164,481.80, 246,731.51 and 52,170.54 is: 78,258.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,481.80 : 246,731.51 = 52,170.54 : x
  2. Step 2: Convert to fraction form
    164,481.80/246,731.51 = 52,170.54/x
  3. Step 3: Cross multiply
    164,481.80x = 246,731.51 × 52,170.54
  4. Step 4: Simplify right side
    164,481.80x = 12,872,116,242.14
  5. Step 5: Solve for x
    x = 12,872,116,242.14/164,481.80
  6. Step 6: Final answer
    x = 78,258.60

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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.