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Finding the Fourth Proportional to 267,348.64, 368,998.86 and 159,942.64

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Solution

The fourth proportional to 267,348.64, 368,998.86 and 159,942.64 is: 220,755.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,348.64 : 368,998.86 = 159,942.64 : x
  2. Step 2: Convert to fraction form
    267,348.64/368,998.86 = 159,942.64/x
  3. Step 3: Cross multiply
    267,348.64x = 368,998.86 × 159,942.64
  4. Step 4: Simplify right side
    267,348.64x = 59,018,651,825.39
  5. Step 5: Solve for x
    x = 59,018,651,825.39/267,348.64
  6. Step 6: Final answer
    x = 220,755.38

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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.