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Finding the Fourth Proportional to 164,687.95, 247,046.55 and 68,603.95

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Solution

The fourth proportional to 164,687.95, 247,046.55 and 68,603.95 is: 102,912.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,687.95 : 247,046.55 = 68,603.95 : x
  2. Step 2: Convert to fraction form
    164,687.95/247,046.55 = 68,603.95/x
  3. Step 3: Cross multiply
    164,687.95x = 247,046.55 × 68,603.95
  4. Step 4: Simplify right side
    164,687.95x = 16,948,369,163.87
  5. Step 5: Solve for x
    x = 16,948,369,163.87/164,687.95
  6. Step 6: Final answer
    x = 102,912.02

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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.