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Finding the Fourth Proportional to 192,067.47, 265,051.58 and 111,502.47

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Solution

The fourth proportional to 192,067.47, 265,051.58 and 111,502.47 is: 153,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,067.47 : 265,051.58 = 111,502.47 : x
  2. Step 2: Convert to fraction form
    192,067.47/265,051.58 = 111,502.47/x
  3. Step 3: Cross multiply
    192,067.47x = 265,051.58 × 111,502.47
  4. Step 4: Simplify right side
    192,067.47x = 29,553,905,289.89
  5. Step 5: Solve for x
    x = 29,553,905,289.89/192,067.47
  6. Step 6: Final answer
    x = 153,872.52

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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.