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Finding the Fourth Proportional to 255,375.48, 352,414.83 and 140,651.94

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Solution

The fourth proportional to 255,375.48, 352,414.83 and 140,651.94 is: 194,097.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,375.48 : 352,414.83 = 140,651.94 : x
  2. Step 2: Convert to fraction form
    255,375.48/352,414.83 = 140,651.94/x
  3. Step 3: Cross multiply
    255,375.48x = 352,414.83 × 140,651.94
  4. Step 4: Simplify right side
    255,375.48x = 49,567,829,524.27
  5. Step 5: Solve for x
    x = 49,567,829,524.27/255,375.48
  6. Step 6: Final answer
    x = 194,097.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.