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Finding the Fourth Proportional to 185,080.73, 255,411.50 and 100,197.81

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Solution

The fourth proportional to 185,080.73, 255,411.50 and 100,197.81 is: 138,273.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,080.73 : 255,411.50 = 100,197.81 : x
  2. Step 2: Convert to fraction form
    185,080.73/255,411.50 = 100,197.81/x
  3. Step 3: Cross multiply
    185,080.73x = 255,411.50 × 100,197.81
  4. Step 4: Simplify right side
    185,080.73x = 25,591,672,447.83
  5. Step 5: Solve for x
    x = 25,591,672,447.83/185,080.73
  6. Step 6: Final answer
    x = 138,273.03

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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.