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Finding the Fourth Proportional to 267,028, 368,499 and 166,426

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Solution

The fourth proportional to 267,028, 368,499 and 166,426 is: 229,668.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,028 : 368,499 = 166,426 : x
  2. Step 2: Convert to fraction form
    267,028/368,499 = 166,426/x
  3. Step 3: Cross multiply
    267,028x = 368,499 × 166,426
  4. Step 4: Simplify right side
    267,028x = 61,327,814,574
  5. Step 5: Solve for x
    x = 61,327,814,574/267,028
  6. Step 6: Final answer
    x = 229,668.10

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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.