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Finding the Fourth Proportional to 238,185.44, 328,729.44 and 136,232.36

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Solution

The fourth proportional to 238,185.44, 328,729.44 and 136,232.36 is: 188,019.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,185.44 : 328,729.44 = 136,232.36 : x
  2. Step 2: Convert to fraction form
    238,185.44/328,729.44 = 136,232.36/x
  3. Step 3: Cross multiply
    238,185.44x = 328,729.44 × 136,232.36
  4. Step 4: Simplify right side
    238,185.44x = 44,783,587,412.68
  5. Step 5: Solve for x
    x = 44,783,587,412.68/238,185.44
  6. Step 6: Final answer
    x = 188,019.84

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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.