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Finding the Fourth Proportional to 169,917.54, 254,717.10 and 57,519.12

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Solution

The fourth proportional to 169,917.54, 254,717.10 and 57,519.12 is: 86,224.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,917.54 : 254,717.10 = 57,519.12 : x
  2. Step 2: Convert to fraction form
    169,917.54/254,717.10 = 57,519.12/x
  3. Step 3: Cross multiply
    169,917.54x = 254,717.10 × 57,519.12
  4. Step 4: Simplify right side
    169,917.54x = 14,651,103,440.95
  5. Step 5: Solve for x
    x = 14,651,103,440.95/169,917.54
  6. Step 6: Final answer
    x = 86,224.79

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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.