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Finding the Fourth Proportional to 192,636.31, 265,858.12 and 110,967.39

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Solution

The fourth proportional to 192,636.31, 265,858.12 and 110,967.39 is: 153,146.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,636.31 : 265,858.12 = 110,967.39 : x
  2. Step 2: Convert to fraction form
    192,636.31/265,858.12 = 110,967.39/x
  3. Step 3: Cross multiply
    192,636.31x = 265,858.12 × 110,967.39
  4. Step 4: Simplify right side
    192,636.31x = 29,501,581,686.71
  5. Step 5: Solve for x
    x = 29,501,581,686.71/192,636.31
  6. Step 6: Final answer
    x = 153,146.53

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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.