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Finding the Fourth Proportional to 181,095.76, 271,644.96 and 68,745.70

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Solution

The fourth proportional to 181,095.76, 271,644.96 and 68,745.70 is: 103,119.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,095.76 : 271,644.96 = 68,745.70 : x
  2. Step 2: Convert to fraction form
    181,095.76/271,644.96 = 68,745.70/x
  3. Step 3: Cross multiply
    181,095.76x = 271,644.96 × 68,745.70
  4. Step 4: Simplify right side
    181,095.76x = 18,674,422,926.67
  5. Step 5: Solve for x
    x = 18,674,422,926.67/181,095.76
  6. Step 6: Final answer
    x = 103,119.05

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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.