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Finding the Fourth Proportional to 173,379.84, 239,131.44 and 119,754.60

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Solution

The fourth proportional to 173,379.84, 239,131.44 and 119,754.60 is: 165,169.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,379.84 : 239,131.44 = 119,754.60 : x
  2. Step 2: Convert to fraction form
    173,379.84/239,131.44 = 119,754.60/x
  3. Step 3: Cross multiply
    173,379.84x = 239,131.44 × 119,754.60
  4. Step 4: Simplify right side
    173,379.84x = 28,637,089,944.62
  5. Step 5: Solve for x
    x = 28,637,089,944.62/173,379.84
  6. Step 6: Final answer
    x = 165,169.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.