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Finding the Fourth Proportional to 74,806.92, 103,234.10 and 41,274.12

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Solution

The fourth proportional to 74,806.92, 103,234.10 and 41,274.12 is: 56,958.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,806.92 : 103,234.10 = 41,274.12 : x
  2. Step 2: Convert to fraction form
    74,806.92/103,234.10 = 41,274.12/x
  3. Step 3: Cross multiply
    74,806.92x = 103,234.10 × 41,274.12
  4. Step 4: Simplify right side
    74,806.92x = 4,260,896,631.49
  5. Step 5: Solve for x
    x = 4,260,896,631.49/74,806.92
  6. Step 6: Final answer
    x = 56,958.59

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1.5x scale

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.