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Finding the Fourth Proportional to 255,662.26, 352,797.99 and 140,934.94

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Solution

The fourth proportional to 255,662.26, 352,797.99 and 140,934.94 is: 194,481.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,662.26 : 352,797.99 = 140,934.94 : x
  2. Step 2: Convert to fraction form
    255,662.26/352,797.99 = 140,934.94/x
  3. Step 3: Cross multiply
    255,662.26x = 352,797.99 × 140,934.94
  4. Step 4: Simplify right side
    255,662.26x = 49,721,563,552.77
  5. Step 5: Solve for x
    x = 49,721,563,552.77/255,662.26
  6. Step 6: Final answer
    x = 194,481.44

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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.