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Finding the Fourth Proportional to 170,224.52, 255,336.84 and 169,978.56

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Solution

The fourth proportional to 170,224.52, 255,336.84 and 169,978.56 is: 254,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,224.52 : 255,336.84 = 169,978.56 : x
  2. Step 2: Convert to fraction form
    170,224.52/255,336.84 = 169,978.56/x
  3. Step 3: Cross multiply
    170,224.52x = 255,336.84 × 169,978.56
  4. Step 4: Simplify right side
    170,224.52x = 43,401,788,378.15
  5. Step 5: Solve for x
    x = 43,401,788,378.15/170,224.52
  6. Step 6: Final answer
    x = 254,967.90

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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.