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Finding the Fourth Proportional to 267,863.04, 401,804.56 and 68,188.08

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Solution

The fourth proportional to 267,863.04, 401,804.56 and 68,188.08 is: 102,284.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,863.04 : 401,804.56 = 68,188.08 : x
  2. Step 2: Convert to fraction form
    267,863.04/401,804.56 = 68,188.08/x
  3. Step 3: Cross multiply
    267,863.04x = 401,804.56 × 68,188.08
  4. Step 4: Simplify right side
    267,863.04x = 27,398,281,481.64
  5. Step 5: Solve for x
    x = 27,398,281,481.64/267,863.04
  6. Step 6: Final answer
    x = 102,284.67

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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.