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Finding the Fourth Proportional to 255,097.59, 352,037.91 and 140,389.44

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Solution

The fourth proportional to 255,097.59, 352,037.91 and 140,389.44 is: 193,739.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,097.59 : 352,037.91 = 140,389.44 : x
  2. Step 2: Convert to fraction form
    255,097.59/352,037.91 = 140,389.44/x
  3. Step 3: Cross multiply
    255,097.59x = 352,037.91 × 140,389.44
  4. Step 4: Simplify right side
    255,097.59x = 49,422,405,043.67
  5. Step 5: Solve for x
    x = 49,422,405,043.67/255,097.59
  6. Step 6: Final answer
    x = 193,739.21

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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.