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Finding the Fourth Proportional to 171,805.07, 257,751.48 and 53,477.30

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Solution

The fourth proportional to 171,805.07, 257,751.48 and 53,477.30 is: 80,229.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,805.07 : 257,751.48 = 53,477.30 : x
  2. Step 2: Convert to fraction form
    171,805.07/257,751.48 = 53,477.30/x
  3. Step 3: Cross multiply
    171,805.07x = 257,751.48 × 53,477.30
  4. Step 4: Simplify right side
    171,805.07x = 13,783,853,221.40
  5. Step 5: Solve for x
    x = 13,783,853,221.40/171,805.07
  6. Step 6: Final answer
    x = 80,229.61

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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.