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Finding the Fourth Proportional to 169,625.20, 254,437.80 and 119,858.80

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Solution

The fourth proportional to 169,625.20, 254,437.80 and 119,858.80 is: 179,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,625.20 : 254,437.80 = 119,858.80 : x
  2. Step 2: Convert to fraction form
    169,625.20/254,437.80 = 119,858.80/x
  3. Step 3: Cross multiply
    169,625.20x = 254,437.80 × 119,858.80
  4. Step 4: Simplify right side
    169,625.20x = 30,496,609,382.64
  5. Step 5: Solve for x
    x = 30,496,609,382.64/169,625.20
  6. Step 6: Final answer
    x = 179,788.20

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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.