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Finding the Fourth Proportional to 207,777, 311,717.34 and 60,033

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Solution

The fourth proportional to 207,777, 311,717.34 and 60,033 is: 90,064.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,777 : 311,717.34 = 60,033 : x
  2. Step 2: Convert to fraction form
    207,777/311,717.34 = 60,033/x
  3. Step 3: Cross multiply
    207,777x = 311,717.34 × 60,033
  4. Step 4: Simplify right side
    207,777x = 18,713,327,072.22
  5. Step 5: Solve for x
    x = 18,713,327,072.22/207,777
  6. Step 6: Final answer
    x = 90,064.48

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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.