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Finding the Fourth Proportional to 192,914.73, 265,635.65 and 171,090.90

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Solution

The fourth proportional to 192,914.73, 265,635.65 and 171,090.90 is: 235,585.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,914.73 : 265,635.65 = 171,090.90 : x
  2. Step 2: Convert to fraction form
    192,914.73/265,635.65 = 171,090.90/x
  3. Step 3: Cross multiply
    192,914.73x = 265,635.65 × 171,090.90
  4. Step 4: Simplify right side
    192,914.73x = 45,447,842,858.31
  5. Step 5: Solve for x
    x = 45,447,842,858.31/192,914.73
  6. Step 6: Final answer
    x = 235,585.14

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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.