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Finding the Fourth Proportional to 238,606.60, 329,277.78 and 136,633.60

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Solution

The fourth proportional to 238,606.60, 329,277.78 and 136,633.60 is: 188,554.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,606.60 : 329,277.78 = 136,633.60 : x
  2. Step 2: Convert to fraction form
    238,606.60/329,277.78 = 136,633.60/x
  3. Step 3: Cross multiply
    238,606.60x = 329,277.78 × 136,633.60
  4. Step 4: Simplify right side
    238,606.60x = 44,990,408,481.41
  5. Step 5: Solve for x
    x = 44,990,408,481.41/238,606.60
  6. Step 6: Final answer
    x = 188,554.75

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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.