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Finding the Fourth Proportional to 169,351.83, 253,980.32 and 51,005.97

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Solution

The fourth proportional to 169,351.83, 253,980.32 and 51,005.97 is: 76,494.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,351.83 : 253,980.32 = 51,005.97 : x
  2. Step 2: Convert to fraction form
    169,351.83/253,980.32 = 51,005.97/x
  3. Step 3: Cross multiply
    169,351.83x = 253,980.32 × 51,005.97
  4. Step 4: Simplify right side
    169,351.83x = 12,954,512,327.48
  5. Step 5: Solve for x
    x = 12,954,512,327.48/169,351.83
  6. Step 6: Final answer
    x = 76,494.67

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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.