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Finding the Fourth Proportional to 192,324.48, 288,095.04 and 156,912

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Solution

The fourth proportional to 192,324.48, 288,095.04 and 156,912 is: 235,048.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,324.48 : 288,095.04 = 156,912 : x
  2. Step 2: Convert to fraction form
    192,324.48/288,095.04 = 156,912/x
  3. Step 3: Cross multiply
    192,324.48x = 288,095.04 × 156,912
  4. Step 4: Simplify right side
    192,324.48x = 45,205,568,916.48
  5. Step 5: Solve for x
    x = 45,205,568,916.48/192,324.48
  6. Step 6: Final answer
    x = 235,048.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.