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Finding the Fourth Proportional to 281,318.08, 422,049.62 and 101,396.32

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Solution

The fourth proportional to 281,318.08, 422,049.62 and 101,396.32 is: 152,120.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,318.08 : 422,049.62 = 101,396.32 : x
  2. Step 2: Convert to fraction form
    281,318.08/422,049.62 = 101,396.32/x
  3. Step 3: Cross multiply
    281,318.08x = 422,049.62 × 101,396.32
  4. Step 4: Simplify right side
    281,318.08x = 42,794,278,325.40
  5. Step 5: Solve for x
    x = 42,794,278,325.40/281,318.08
  6. Step 6: Final answer
    x = 152,120.61

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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.