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Finding the Fourth Proportional to 192,646.06, 265,879.77 and 110,958.61

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Solution

The fourth proportional to 192,646.06, 265,879.77 and 110,958.61 is: 153,139.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,646.06 : 265,879.77 = 110,958.61 : x
  2. Step 2: Convert to fraction form
    192,646.06/265,879.77 = 110,958.61/x
  3. Step 3: Cross multiply
    192,646.06x = 265,879.77 × 110,958.61
  4. Step 4: Simplify right side
    192,646.06x = 29,501,649,706.32
  5. Step 5: Solve for x
    x = 29,501,649,706.32/192,646.06
  6. Step 6: Final answer
    x = 153,139.13

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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.