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Finding the Fourth Proportional to 192,046.73, 265,130.64 and 115,584.60

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Solution

The fourth proportional to 192,046.73, 265,130.64 and 115,584.60 is: 159,570.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,046.73 : 265,130.64 = 115,584.60 : x
  2. Step 2: Convert to fraction form
    192,046.73/265,130.64 = 115,584.60/x
  3. Step 3: Cross multiply
    192,046.73x = 265,130.64 × 115,584.60
  4. Step 4: Simplify right side
    192,046.73x = 30,645,019,261.11
  5. Step 5: Solve for x
    x = 30,645,019,261.11/192,046.73
  6. Step 6: Final answer
    x = 159,570.64

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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.