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Finding the Fourth Proportional to 235,351.02, 353,049.63 and 66,879.12

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Solution

The fourth proportional to 235,351.02, 353,049.63 and 66,879.12 is: 100,325.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,351.02 : 353,049.63 = 66,879.12 : x
  2. Step 2: Convert to fraction form
    235,351.02/353,049.63 = 66,879.12/x
  3. Step 3: Cross multiply
    235,351.02x = 353,049.63 × 66,879.12
  4. Step 4: Simplify right side
    235,351.02x = 23,611,648,570.73
  5. Step 5: Solve for x
    x = 23,611,648,570.73/235,351.02
  6. Step 6: Final answer
    x = 100,325.24

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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.