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Finding the Fourth Proportional to 318,975.17, 440,249.48 and 183,100.97

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Solution

The fourth proportional to 318,975.17, 440,249.48 and 183,100.97 is: 252,715.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,975.17 : 440,249.48 = 183,100.97 : x
  2. Step 2: Convert to fraction form
    318,975.17/440,249.48 = 183,100.97/x
  3. Step 3: Cross multiply
    318,975.17x = 440,249.48 × 183,100.97
  4. Step 4: Simplify right side
    318,975.17x = 80,610,107,701.74
  5. Step 5: Solve for x
    x = 80,610,107,701.74/318,975.17
  6. Step 6: Final answer
    x = 252,715.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.