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Finding the Fourth Proportional to 267,235.20, 368,815.68 and 154,062

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Solution

The fourth proportional to 267,235.20, 368,815.68 and 154,062 is: 212,623.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,235.20 : 368,815.68 = 154,062 : x
  2. Step 2: Convert to fraction form
    267,235.20/368,815.68 = 154,062/x
  3. Step 3: Cross multiply
    267,235.20x = 368,815.68 × 154,062
  4. Step 4: Simplify right side
    267,235.20x = 56,820,481,292.16
  5. Step 5: Solve for x
    x = 56,820,481,292.16/267,235.20
  6. Step 6: Final answer
    x = 212,623.49

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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.