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Finding the Fourth Proportional to 238,693.97, 329,304.45 and 136,664.90

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Solution

The fourth proportional to 238,693.97, 329,304.45 and 136,664.90 is: 188,544.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,693.97 : 329,304.45 = 136,664.90 : x
  2. Step 2: Convert to fraction form
    238,693.97/329,304.45 = 136,664.90/x
  3. Step 3: Cross multiply
    238,693.97x = 329,304.45 × 136,664.90
  4. Step 4: Simplify right side
    238,693.97x = 45,004,361,682.01
  5. Step 5: Solve for x
    x = 45,004,361,682.01/238,693.97
  6. Step 6: Final answer
    x = 188,544.19

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1.5x scale

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.