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Finding the Fourth Proportional to 267,186.36, 368,966.94 and 171,858.54

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Solution

The fourth proportional to 267,186.36, 368,966.94 and 171,858.54 is: 237,325.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,186.36 : 368,966.94 = 171,858.54 : x
  2. Step 2: Convert to fraction form
    267,186.36/368,966.94 = 171,858.54/x
  3. Step 3: Cross multiply
    267,186.36x = 368,966.94 × 171,858.54
  4. Step 4: Simplify right side
    267,186.36x = 63,410,119,616.67
  5. Step 5: Solve for x
    x = 63,410,119,616.67/267,186.36
  6. Step 6: Final answer
    x = 237,325.44

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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.