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Finding the Fourth Proportional to 192,018.66, 264,943.33 and 111,399.49

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Solution

The fourth proportional to 192,018.66, 264,943.33 and 111,399.49 is: 153,706.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,018.66 : 264,943.33 = 111,399.49 : x
  2. Step 2: Convert to fraction form
    192,018.66/264,943.33 = 111,399.49/x
  3. Step 3: Cross multiply
    192,018.66x = 264,943.33 × 111,399.49
  4. Step 4: Simplify right side
    192,018.66x = 29,514,551,840.90
  5. Step 5: Solve for x
    x = 29,514,551,840.90/192,018.66
  6. Step 6: Final answer
    x = 153,706.69

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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.