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Finding the Fourth Proportional to 181,319.15, 271,914.37 and 53,199.68

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Solution

The fourth proportional to 181,319.15, 271,914.37 and 53,199.68 is: 79,780.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,319.15 : 271,914.37 = 53,199.68 : x
  2. Step 2: Convert to fraction form
    181,319.15/271,914.37 = 53,199.68/x
  3. Step 3: Cross multiply
    181,319.15x = 271,914.37 × 53,199.68
  4. Step 4: Simplify right side
    181,319.15x = 14,465,755,978.83
  5. Step 5: Solve for x
    x = 14,465,755,978.83/181,319.15
  6. Step 6: Final answer
    x = 79,780.63

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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.