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Finding the Fourth Proportional to 208,984.44, 288,486.81 and 141,093.39

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Solution

The fourth proportional to 208,984.44, 288,486.81 and 141,093.39 is: 194,768.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,984.44 : 288,486.81 = 141,093.39 : x
  2. Step 2: Convert to fraction form
    208,984.44/288,486.81 = 141,093.39/x
  3. Step 3: Cross multiply
    208,984.44x = 288,486.81 × 141,093.39
  4. Step 4: Simplify right side
    208,984.44x = 40,703,581,993.19
  5. Step 5: Solve for x
    x = 40,703,581,993.19/208,984.44
  6. Step 6: Final answer
    x = 194,768.48

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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.