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Finding the Fourth Proportional to 112,260.63, 168,245.14 and 45,623.21

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Solution

The fourth proportional to 112,260.63, 168,245.14 and 45,623.21 is: 68,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,260.63 : 168,245.14 = 45,623.21 : x
  2. Step 2: Convert to fraction form
    112,260.63/168,245.14 = 45,623.21/x
  3. Step 3: Cross multiply
    112,260.63x = 168,245.14 × 45,623.21
  4. Step 4: Simplify right side
    112,260.63x = 7,675,883,353.70
  5. Step 5: Solve for x
    x = 7,675,883,353.70/112,260.63
  6. Step 6: Final answer
    x = 68,375.56

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1.5x scale

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.