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Finding the Fourth Proportional to 267,868.95, 401,864.78 and 116,091.50

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Solution

The fourth proportional to 267,868.95, 401,864.78 and 116,091.50 is: 174,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,868.95 : 401,864.78 = 116,091.50 : x
  2. Step 2: Convert to fraction form
    267,868.95/401,864.78 = 116,091.50/x
  3. Step 3: Cross multiply
    267,868.95x = 401,864.78 × 116,091.50
  4. Step 4: Simplify right side
    267,868.95x = 46,653,085,107.37
  5. Step 5: Solve for x
    x = 46,653,085,107.37/267,868.95
  6. Step 6: Final answer
    x = 174,163.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.