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Finding the Fourth Proportional to 168,185.90, 252,279.87 and 49,858.34

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Solution

The fourth proportional to 168,185.90, 252,279.87 and 49,858.34 is: 74,787.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,185.90 : 252,279.87 = 49,858.34 : x
  2. Step 2: Convert to fraction form
    168,185.90/252,279.87 = 49,858.34/x
  3. Step 3: Cross multiply
    168,185.90x = 252,279.87 × 49,858.34
  4. Step 4: Simplify right side
    168,185.90x = 12,578,255,533.62
  5. Step 5: Solve for x
    x = 12,578,255,533.62/168,185.90
  6. Step 6: Final answer
    x = 74,787.81

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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.