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Finding the Fourth Proportional to 68,653.68, 94,752.18 and 41,811.90

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Solution

The fourth proportional to 68,653.68, 94,752.18 and 41,811.90 is: 57,706.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,653.68 : 94,752.18 = 41,811.90 : x
  2. Step 2: Convert to fraction form
    68,653.68/94,752.18 = 41,811.90/x
  3. Step 3: Cross multiply
    68,653.68x = 94,752.18 × 41,811.90
  4. Step 4: Simplify right side
    68,653.68x = 3,961,768,674.94
  5. Step 5: Solve for x
    x = 3,961,768,674.94/68,653.68
  6. Step 6: Final answer
    x = 57,706.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.