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Finding the Fourth Proportional to 179,418.74, 268,943.42 and 79,625.93

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Solution

The fourth proportional to 179,418.74, 268,943.42 and 79,625.93 is: 119,356.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,418.74 : 268,943.42 = 79,625.93 : x
  2. Step 2: Convert to fraction form
    179,418.74/268,943.42 = 79,625.93/x
  3. Step 3: Cross multiply
    179,418.74x = 268,943.42 × 79,625.93
  4. Step 4: Simplify right side
    179,418.74x = 21,414,868,192.03
  5. Step 5: Solve for x
    x = 21,414,868,192.03/179,418.74
  6. Step 6: Final answer
    x = 119,356.92

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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.