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Finding the Fourth Proportional to 169,647.60, 254,511.36 and 51,319.92

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Solution

The fourth proportional to 169,647.60, 254,511.36 and 51,319.92 is: 76,991.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,647.60 : 254,511.36 = 51,319.92 : x
  2. Step 2: Convert to fraction form
    169,647.60/254,511.36 = 51,319.92/x
  3. Step 3: Cross multiply
    169,647.60x = 254,511.36 × 51,319.92
  4. Step 4: Simplify right side
    169,647.60x = 13,061,502,634.29
  5. Step 5: Solve for x
    x = 13,061,502,634.29/169,647.60
  6. Step 6: Final answer
    x = 76,991.97

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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.