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Finding the Fourth Proportional to 192,163, 265,184.40 and 111,637.12

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Solution

The fourth proportional to 192,163, 265,184.40 and 111,637.12 is: 154,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,163 : 265,184.40 = 111,637.12 : x
  2. Step 2: Convert to fraction form
    192,163/265,184.40 = 111,637.12/x
  3. Step 3: Cross multiply
    192,163x = 265,184.40 × 111,637.12
  4. Step 4: Simplify right side
    192,163x = 29,604,422,684.93
  5. Step 5: Solve for x
    x = 29,604,422,684.93/192,163
  6. Step 6: Final answer
    x = 154,058.91

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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.