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Finding the Fourth Proportional to 135,950.96, 203,926.44 and 42,464.72

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Solution

The fourth proportional to 135,950.96, 203,926.44 and 42,464.72 is: 63,697.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,950.96 : 203,926.44 = 42,464.72 : x
  2. Step 2: Convert to fraction form
    135,950.96/203,926.44 = 42,464.72/x
  3. Step 3: Cross multiply
    135,950.96x = 203,926.44 × 42,464.72
  4. Step 4: Simplify right side
    135,950.96x = 8,659,679,175.20
  5. Step 5: Solve for x
    x = 8,659,679,175.20/135,950.96
  6. Step 6: Final answer
    x = 63,697.08

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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.