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Finding the Fourth Proportional to 262,467.95, 362,205.68 and 143,235.95

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Solution

The fourth proportional to 262,467.95, 362,205.68 and 143,235.95 is: 197,665.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,467.95 : 362,205.68 = 143,235.95 : x
  2. Step 2: Convert to fraction form
    262,467.95/362,205.68 = 143,235.95/x
  3. Step 3: Cross multiply
    262,467.95x = 362,205.68 × 143,235.95
  4. Step 4: Simplify right side
    262,467.95x = 51,880,873,954.02
  5. Step 5: Solve for x
    x = 51,880,873,954.02/262,467.95
  6. Step 6: Final answer
    x = 197,665.56

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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.