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Finding the Fourth Proportional to 204,482.44, 306,725.60 and 127,568.80

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Solution

The fourth proportional to 204,482.44, 306,725.60 and 127,568.80 is: 191,354.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,482.44 : 306,725.60 = 127,568.80 : x
  2. Step 2: Convert to fraction form
    204,482.44/306,725.60 = 127,568.80/x
  3. Step 3: Cross multiply
    204,482.44x = 306,725.60 × 127,568.80
  4. Step 4: Simplify right side
    204,482.44x = 39,128,616,721.28
  5. Step 5: Solve for x
    x = 39,128,616,721.28/204,482.44
  6. Step 6: Final answer
    x = 191,354.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.