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Finding the Fourth Proportional to 178,959.20, 268,422.60 and 60,634.40

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Solution

The fourth proportional to 178,959.20, 268,422.60 and 60,634.40 is: 90,946.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,959.20 : 268,422.60 = 60,634.40 : x
  2. Step 2: Convert to fraction form
    178,959.20/268,422.60 = 60,634.40/x
  3. Step 3: Cross multiply
    178,959.20x = 268,422.60 × 60,634.40
  4. Step 4: Simplify right side
    178,959.20x = 16,275,643,297.44
  5. Step 5: Solve for x
    x = 16,275,643,297.44/178,959.20
  6. Step 6: Final answer
    x = 90,946.11

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1.5x scale

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.