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Finding the Fourth Proportional to 192,018.42, 264,942.99 and 111,399.24

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Solution

The fourth proportional to 192,018.42, 264,942.99 and 111,399.24 is: 153,706.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.42 : 264,942.99 = 111,399.24 : x
  2. Step 2: Convert to fraction form
    192,018.42/264,942.99 = 111,399.24/x
  3. Step 3: Cross multiply
    192,018.42x = 264,942.99 × 111,399.24
  4. Step 4: Simplify right side
    192,018.42x = 29,514,447,729.33
  5. Step 5: Solve for x
    x = 29,514,447,729.33/192,018.42
  6. Step 6: Final answer
    x = 153,706.34

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1.5x scale

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.