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Finding the Fourth Proportional to 168,718.78, 253,027.04 and 88,713.63

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Solution

The fourth proportional to 168,718.78, 253,027.04 and 88,713.63 is: 133,043.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,718.78 : 253,027.04 = 88,713.63 : x
  2. Step 2: Convert to fraction form
    168,718.78/253,027.04 = 88,713.63/x
  3. Step 3: Cross multiply
    168,718.78x = 253,027.04 × 88,713.63
  4. Step 4: Simplify right side
    168,718.78x = 22,446,947,206.56
  5. Step 5: Solve for x
    x = 22,446,947,206.56/168,718.78
  6. Step 6: Final answer
    x = 133,043.56

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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.