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Finding the Fourth Proportional to 204,265.58, 281,894.51 and 123,647.49

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Solution

The fourth proportional to 204,265.58, 281,894.51 and 123,647.49 is: 170,638.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,265.58 : 281,894.51 = 123,647.49 : x
  2. Step 2: Convert to fraction form
    204,265.58/281,894.51 = 123,647.49/x
  3. Step 3: Cross multiply
    204,265.58x = 281,894.51 × 123,647.49
  4. Step 4: Simplify right side
    204,265.58x = 34,855,548,915.40
  5. Step 5: Solve for x
    x = 34,855,548,915.40/204,265.58
  6. Step 6: Final answer
    x = 170,638.39

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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.