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Finding the Fourth Proportional to 68,694.45, 94,853.13 and 45,746.67

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Solution

The fourth proportional to 68,694.45, 94,853.13 and 45,746.67 is: 63,166.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,694.45 : 94,853.13 = 45,746.67 : x
  2. Step 2: Convert to fraction form
    68,694.45/94,853.13 = 45,746.67/x
  3. Step 3: Cross multiply
    68,694.45x = 94,853.13 × 45,746.67
  4. Step 4: Simplify right side
    68,694.45x = 4,339,214,836.58
  5. Step 5: Solve for x
    x = 4,339,214,836.58/68,694.45
  6. Step 6: Final answer
    x = 63,166.89

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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.