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Finding the Fourth Proportional to 195,570.60, 269,842.20 and 130,922.88

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Solution

The fourth proportional to 195,570.60, 269,842.20 and 130,922.88 is: 180,643.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,570.60 : 269,842.20 = 130,922.88 : x
  2. Step 2: Convert to fraction form
    195,570.60/269,842.20 = 130,922.88/x
  3. Step 3: Cross multiply
    195,570.60x = 269,842.20 × 130,922.88
  4. Step 4: Simplify right side
    195,570.60x = 35,328,517,969.54
  5. Step 5: Solve for x
    x = 35,328,517,969.54/195,570.60
  6. Step 6: Final answer
    x = 180,643.30

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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.