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Finding the Fourth Proportional to 264,179.56, 395,964.12 and 121,727.02

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Solution

The fourth proportional to 264,179.56, 395,964.12 and 121,727.02 is: 182,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,179.56 : 395,964.12 = 121,727.02 : x
  2. Step 2: Convert to fraction form
    264,179.56/395,964.12 = 121,727.02/x
  3. Step 3: Cross multiply
    264,179.56x = 395,964.12 × 121,727.02
  4. Step 4: Simplify right side
    264,179.56x = 48,199,532,354.52
  5. Step 5: Solve for x
    x = 48,199,532,354.52/264,179.56
  6. Step 6: Final answer
    x = 182,449.89

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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.