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Finding the Fourth Proportional to 213,863.30, 295,205.09 and 123,255.44

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Solution

The fourth proportional to 213,863.30, 295,205.09 and 123,255.44 is: 170,135.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,863.30 : 295,205.09 = 123,255.44 : x
  2. Step 2: Convert to fraction form
    213,863.30/295,205.09 = 123,255.44/x
  3. Step 3: Cross multiply
    213,863.30x = 295,205.09 × 123,255.44
  4. Step 4: Simplify right side
    213,863.30x = 36,385,633,258.19
  5. Step 5: Solve for x
    x = 36,385,633,258.19/213,863.30
  6. Step 6: Final answer
    x = 170,135.00

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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.