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Finding the Fourth Proportional to 181,888.86, 272,820.60 and 68,015.02

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Solution

The fourth proportional to 181,888.86, 272,820.60 and 68,015.02 is: 102,017.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,888.86 : 272,820.60 = 68,015.02 : x
  2. Step 2: Convert to fraction form
    181,888.86/272,820.60 = 68,015.02/x
  3. Step 3: Cross multiply
    181,888.86x = 272,820.60 × 68,015.02
  4. Step 4: Simplify right side
    181,888.86x = 18,555,897,902.57
  5. Step 5: Solve for x
    x = 18,555,897,902.57/181,888.86
  6. Step 6: Final answer
    x = 102,017.78

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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.