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Finding the Fourth Proportional to 230,850.98, 318,579.72 and 144,813.62

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Solution

The fourth proportional to 230,850.98, 318,579.72 and 144,813.62 is: 199,846.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,850.98 : 318,579.72 = 144,813.62 : x
  2. Step 2: Convert to fraction form
    230,850.98/318,579.72 = 144,813.62/x
  3. Step 3: Cross multiply
    230,850.98x = 318,579.72 × 144,813.62
  4. Step 4: Simplify right side
    230,850.98x = 46,134,682,511.79
  5. Step 5: Solve for x
    x = 46,134,682,511.79/230,850.98
  6. Step 6: Final answer
    x = 199,846.16

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1.5x scale

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.