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Finding the Fourth Proportional to 192,654.53, 265,852.55 and 107,755.19

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Solution

The fourth proportional to 192,654.53, 265,852.55 and 107,755.19 is: 148,696.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,654.53 : 265,852.55 = 107,755.19 : x
  2. Step 2: Convert to fraction form
    192,654.53/265,852.55 = 107,755.19/x
  3. Step 3: Cross multiply
    192,654.53x = 265,852.55 × 107,755.19
  4. Step 4: Simplify right side
    192,654.53x = 28,646,990,977.36
  5. Step 5: Solve for x
    x = 28,646,990,977.36/192,654.53
  6. Step 6: Final answer
    x = 148,696.18

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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.