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Finding the Fourth Proportional to 100,234.60, 150,351.90 and 44,830.60

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Solution

The fourth proportional to 100,234.60, 150,351.90 and 44,830.60 is: 67,245.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,234.60 : 150,351.90 = 44,830.60 : x
  2. Step 2: Convert to fraction form
    100,234.60/150,351.90 = 44,830.60/x
  3. Step 3: Cross multiply
    100,234.60x = 150,351.90 × 44,830.60
  4. Step 4: Simplify right side
    100,234.60x = 6,740,365,888.14
  5. Step 5: Solve for x
    x = 6,740,365,888.14/100,234.60
  6. Step 6: Final answer
    x = 67,245.90

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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.