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Finding the Fourth Proportional to 254,086.32, 350,630.30 and 140,919.60

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Solution

The fourth proportional to 254,086.32, 350,630.30 and 140,919.60 is: 194,464.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,086.32 : 350,630.30 = 140,919.60 : x
  2. Step 2: Convert to fraction form
    254,086.32/350,630.30 = 140,919.60/x
  3. Step 3: Cross multiply
    254,086.32x = 350,630.30 × 140,919.60
  4. Step 4: Simplify right side
    254,086.32x = 49,410,681,623.88
  5. Step 5: Solve for x
    x = 49,410,681,623.88/254,086.32
  6. Step 6: Final answer
    x = 194,464.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.