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Finding the Fourth Proportional to 144,481.50, 199,384.47 and 94,180.50

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Solution

The fourth proportional to 144,481.50, 199,384.47 and 94,180.50 is: 129,969.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,481.50 : 199,384.47 = 94,180.50 : x
  2. Step 2: Convert to fraction form
    144,481.50/199,384.47 = 94,180.50/x
  3. Step 3: Cross multiply
    144,481.50x = 199,384.47 × 94,180.50
  4. Step 4: Simplify right side
    144,481.50x = 18,778,129,076.84
  5. Step 5: Solve for x
    x = 18,778,129,076.84/144,481.50
  6. Step 6: Final answer
    x = 129,969.09

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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.