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Finding the Fourth Proportional to 268,805.39, 370,796.94 and 168,028.43

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Solution

The fourth proportional to 268,805.39, 370,796.94 and 168,028.43 is: 231,782.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,805.39 : 370,796.94 = 168,028.43 : x
  2. Step 2: Convert to fraction form
    268,805.39/370,796.94 = 168,028.43/x
  3. Step 3: Cross multiply
    268,805.39x = 370,796.94 × 168,028.43
  4. Step 4: Simplify right side
    268,805.39x = 62,304,425,823.02
  5. Step 5: Solve for x
    x = 62,304,425,823.02/268,805.39
  6. Step 6: Final answer
    x = 231,782.66

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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.