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Finding the Fourth Proportional to 68,446.98, 102,600.78 and 46,262.61

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Solution

The fourth proportional to 68,446.98, 102,600.78 and 46,262.61 is: 69,346.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,446.98 : 102,600.78 = 46,262.61 : x
  2. Step 2: Convert to fraction form
    68,446.98/102,600.78 = 46,262.61/x
  3. Step 3: Cross multiply
    68,446.98x = 102,600.78 × 46,262.61
  4. Step 4: Simplify right side
    68,446.98x = 4,746,579,870.84
  5. Step 5: Solve for x
    x = 4,746,579,870.84/68,446.98
  6. Step 6: Final answer
    x = 69,346.81

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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.