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Finding the Fourth Proportional to 167,757.63, 251,653.93 and 53,876.67

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Solution

The fourth proportional to 167,757.63, 251,653.93 and 53,876.67 is: 80,820.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,757.63 : 251,653.93 = 53,876.67 : x
  2. Step 2: Convert to fraction form
    167,757.63/251,653.93 = 53,876.67/x
  3. Step 3: Cross multiply
    167,757.63x = 251,653.93 × 53,876.67
  4. Step 4: Simplify right side
    167,757.63x = 13,558,275,740.81
  5. Step 5: Solve for x
    x = 13,558,275,740.81/167,757.63
  6. Step 6: Final answer
    x = 80,820.62

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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.