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Finding the Fourth Proportional to 168,152.69, 252,239.30 and 55,842.75

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Solution

The fourth proportional to 168,152.69, 252,239.30 and 55,842.75 is: 83,767.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,152.69 : 252,239.30 = 55,842.75 : x
  2. Step 2: Convert to fraction form
    168,152.69/252,239.30 = 55,842.75/x
  3. Step 3: Cross multiply
    168,152.69x = 252,239.30 × 55,842.75
  4. Step 4: Simplify right side
    168,152.69x = 14,085,735,890.86
  5. Step 5: Solve for x
    x = 14,085,735,890.86/168,152.69
  6. Step 6: Final answer
    x = 83,767.53

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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.