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Finding the Fourth Proportional to 267,418.63, 369,037.71 and 159,993.19

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Solution

The fourth proportional to 267,418.63, 369,037.71 and 159,993.19 is: 220,790.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,418.63 : 369,037.71 = 159,993.19 : x
  2. Step 2: Convert to fraction form
    267,418.63/369,037.71 = 159,993.19/x
  3. Step 3: Cross multiply
    267,418.63x = 369,037.71 × 159,993.19
  4. Step 4: Simplify right side
    267,418.63x = 59,043,517,808.04
  5. Step 5: Solve for x
    x = 59,043,517,808.04/267,418.63
  6. Step 6: Final answer
    x = 220,790.60

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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.