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Finding the Fourth Proportional to 73,499.78, 110,249.70 and 18,095.78

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Solution

The fourth proportional to 73,499.78, 110,249.70 and 18,095.78 is: 27,143.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,499.78 : 110,249.70 = 18,095.78 : x
  2. Step 2: Convert to fraction form
    73,499.78/110,249.70 = 18,095.78/x
  3. Step 3: Cross multiply
    73,499.78x = 110,249.70 × 18,095.78
  4. Step 4: Simplify right side
    73,499.78x = 1,995,054,316.27
  5. Step 5: Solve for x
    x = 1,995,054,316.27/73,499.78
  6. Step 6: Final answer
    x = 27,143.68

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1.5x scale

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.