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Finding the Fourth Proportional to 216,330.44, 298,542.06 and 119,540.54

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Solution

The fourth proportional to 216,330.44, 298,542.06 and 119,540.54 is: 164,969.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,330.44 : 298,542.06 = 119,540.54 : x
  2. Step 2: Convert to fraction form
    216,330.44/298,542.06 = 119,540.54/x
  3. Step 3: Cross multiply
    216,330.44x = 298,542.06 × 119,540.54
  4. Step 4: Simplify right side
    216,330.44x = 35,687,879,065.11
  5. Step 5: Solve for x
    x = 35,687,879,065.11/216,330.44
  6. Step 6: Final answer
    x = 164,969.29

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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.