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Finding the Fourth Proportional to 238,466.60, 329,102.21 and 136,524.03

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Solution

The fourth proportional to 238,466.60, 329,102.21 and 136,524.03 is: 188,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,466.60 : 329,102.21 = 136,524.03 : x
  2. Step 2: Convert to fraction form
    238,466.60/329,102.21 = 136,524.03/x
  3. Step 3: Cross multiply
    238,466.60x = 329,102.21 × 136,524.03
  4. Step 4: Simplify right side
    238,466.60x = 44,930,359,308.49
  5. Step 5: Solve for x
    x = 44,930,359,308.49/238,466.60
  6. Step 6: Final answer
    x = 188,413.64

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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.