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Finding the Fourth Proportional to 181,164.60, 271,793.88 and 68,846.76

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Solution

The fourth proportional to 181,164.60, 271,793.88 and 68,846.76 is: 103,287.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,164.60 : 271,793.88 = 68,846.76 : x
  2. Step 2: Convert to fraction form
    181,164.60/271,793.88 = 68,846.76/x
  3. Step 3: Cross multiply
    181,164.60x = 271,793.88 × 68,846.76
  4. Step 4: Simplify right side
    181,164.60x = 18,712,128,025.83
  5. Step 5: Solve for x
    x = 18,712,128,025.83/181,164.60
  6. Step 6: Final answer
    x = 103,287.99

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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.