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Finding the Fourth Proportional to 170,151.76, 255,227.64 and 45,489.52

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Solution

The fourth proportional to 170,151.76, 255,227.64 and 45,489.52 is: 68,234.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,151.76 : 255,227.64 = 45,489.52 : x
  2. Step 2: Convert to fraction form
    170,151.76/255,227.64 = 45,489.52/x
  3. Step 3: Cross multiply
    170,151.76x = 255,227.64 × 45,489.52
  4. Step 4: Simplify right side
    170,151.76x = 11,610,182,834.33
  5. Step 5: Solve for x
    x = 11,610,182,834.33/170,151.76
  6. Step 6: Final answer
    x = 68,234.28

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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.