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Finding the Fourth Proportional to 299,966.82, 414,058.46 and 172,693.14

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Solution

The fourth proportional to 299,966.82, 414,058.46 and 172,693.14 is: 238,376.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,966.82 : 414,058.46 = 172,693.14 : x
  2. Step 2: Convert to fraction form
    299,966.82/414,058.46 = 172,693.14/x
  3. Step 3: Cross multiply
    299,966.82x = 414,058.46 × 172,693.14
  4. Step 4: Simplify right side
    299,966.82x = 71,505,055,600.96
  5. Step 5: Solve for x
    x = 71,505,055,600.96/299,966.82
  6. Step 6: Final answer
    x = 238,376.55

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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.