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Finding the Fourth Proportional to 192,069.36, 264,945.13 and 111,486.51

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Solution

The fourth proportional to 192,069.36, 264,945.13 and 111,486.51 is: 153,787.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,069.36 : 264,945.13 = 111,486.51 : x
  2. Step 2: Convert to fraction form
    192,069.36/264,945.13 = 111,486.51/x
  3. Step 3: Cross multiply
    192,069.36x = 264,945.13 × 111,486.51
  4. Step 4: Simplify right side
    192,069.36x = 29,537,807,606.48
  5. Step 5: Solve for x
    x = 29,537,807,606.48/192,069.36
  6. Step 6: Final answer
    x = 153,787.19

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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.