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Finding the Fourth Proportional to 255,748.56, 383,754.60 and 113,691.84

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Solution

The fourth proportional to 255,748.56, 383,754.60 and 113,691.84 is: 170,596.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,748.56 : 383,754.60 = 113,691.84 : x
  2. Step 2: Convert to fraction form
    255,748.56/383,754.60 = 113,691.84/x
  3. Step 3: Cross multiply
    255,748.56x = 383,754.60 × 113,691.84
  4. Step 4: Simplify right side
    255,748.56x = 43,629,766,582.46
  5. Step 5: Solve for x
    x = 43,629,766,582.46/255,748.56
  6. Step 6: Final answer
    x = 170,596.33

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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.