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Finding the Fourth Proportional to 450,181.80, 675,348.30 and 134,670.60

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Solution

The fourth proportional to 450,181.80, 675,348.30 and 134,670.60 is: 202,028.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,181.80 : 675,348.30 = 134,670.60 : x
  2. Step 2: Convert to fraction form
    450,181.80/675,348.30 = 134,670.60/x
  3. Step 3: Cross multiply
    450,181.80x = 675,348.30 × 134,670.60
  4. Step 4: Simplify right side
    450,181.80x = 90,949,560,769.98
  5. Step 5: Solve for x
    x = 90,949,560,769.98/450,181.80
  6. Step 6: Final answer
    x = 202,028.52

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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.