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Finding the Fourth Proportional to 178,044.48, 245,701.44 and 98,556.48

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Solution

The fourth proportional to 178,044.48, 245,701.44 and 98,556.48 is: 136,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,044.48 : 245,701.44 = 98,556.48 : x
  2. Step 2: Convert to fraction form
    178,044.48/245,701.44 = 98,556.48/x
  3. Step 3: Cross multiply
    178,044.48x = 245,701.44 × 98,556.48
  4. Step 4: Simplify right side
    178,044.48x = 24,215,469,057.33
  5. Step 5: Solve for x
    x = 24,215,469,057.33/178,044.48
  6. Step 6: Final answer
    x = 136,007.97

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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.