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Finding the Fourth Proportional to 195,858.54, 270,192.60 and 142,025.49

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Solution

The fourth proportional to 195,858.54, 270,192.60 and 142,025.49 is: 195,928.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,858.54 : 270,192.60 = 142,025.49 : x
  2. Step 2: Convert to fraction form
    195,858.54/270,192.60 = 142,025.49/x
  3. Step 3: Cross multiply
    195,858.54x = 270,192.60 × 142,025.49
  4. Step 4: Simplify right side
    195,858.54x = 38,374,236,409.37
  5. Step 5: Solve for x
    x = 38,374,236,409.37/195,858.54
  6. Step 6: Final answer
    x = 195,928.33

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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.