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Finding the Fourth Proportional to 98,944.20, 148,246.20 and 46,245.60

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Solution

The fourth proportional to 98,944.20, 148,246.20 and 46,245.60 is: 69,288.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,944.20 : 148,246.20 = 46,245.60 : x
  2. Step 2: Convert to fraction form
    98,944.20/148,246.20 = 46,245.60/x
  3. Step 3: Cross multiply
    98,944.20x = 148,246.20 × 46,245.60
  4. Step 4: Simplify right side
    98,944.20x = 6,855,734,466.72
  5. Step 5: Solve for x
    x = 6,855,734,466.72/98,944.20
  6. Step 6: Final answer
    x = 69,288.90

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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.