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Finding the Fourth Proportional to 169,879.82, 254,821.27 and 51,551.16

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Solution

The fourth proportional to 169,879.82, 254,821.27 and 51,551.16 is: 77,327.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,879.82 : 254,821.27 = 51,551.16 : x
  2. Step 2: Convert to fraction form
    169,879.82/254,821.27 = 51,551.16/x
  3. Step 3: Cross multiply
    169,879.82x = 254,821.27 × 51,551.16
  4. Step 4: Simplify right side
    169,879.82x = 13,136,331,932.30
  5. Step 5: Solve for x
    x = 13,136,331,932.30/169,879.82
  6. Step 6: Final answer
    x = 77,327.21

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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.