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Finding the Fourth Proportional to 168,696.84, 253,036.62 and 50,369.16

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Solution

The fourth proportional to 168,696.84, 253,036.62 and 50,369.16 is: 75,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,696.84 : 253,036.62 = 50,369.16 : x
  2. Step 2: Convert to fraction form
    168,696.84/253,036.62 = 50,369.16/x
  3. Step 3: Cross multiply
    168,696.84x = 253,036.62 × 50,369.16
  4. Step 4: Simplify right side
    168,696.84x = 12,745,241,998.64
  5. Step 5: Solve for x
    x = 12,745,241,998.64/168,696.84
  6. Step 6: Final answer
    x = 75,551.16

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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.