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Finding the Fourth Proportional to 230,958, 318,723.12 and 124,974

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Solution

The fourth proportional to 230,958, 318,723.12 and 124,974 is: 172,464.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,958 : 318,723.12 = 124,974 : x
  2. Step 2: Convert to fraction form
    230,958/318,723.12 = 124,974/x
  3. Step 3: Cross multiply
    230,958x = 318,723.12 × 124,974
  4. Step 4: Simplify right side
    230,958x = 39,832,103,198.88
  5. Step 5: Solve for x
    x = 39,832,103,198.88/230,958
  6. Step 6: Final answer
    x = 172,464.70

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