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Finding the Fourth Proportional to 267,802.88, 401,702.58 and 68,121.56

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Solution

The fourth proportional to 267,802.88, 401,702.58 and 68,121.56 is: 102,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,802.88 : 401,702.58 = 68,121.56 : x
  2. Step 2: Convert to fraction form
    267,802.88/401,702.58 = 68,121.56/x
  3. Step 3: Cross multiply
    267,802.88x = 401,702.58 × 68,121.56
  4. Step 4: Simplify right side
    267,802.88x = 27,364,606,405.62
  5. Step 5: Solve for x
    x = 27,364,606,405.62/267,802.88
  6. Step 6: Final answer
    x = 102,181.90

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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.