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Finding the Fourth Proportional to 281,475.92, 422,168.52 and 123,674.96

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Solution

The fourth proportional to 281,475.92, 422,168.52 and 123,674.96 is: 185,492.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,475.92 : 422,168.52 = 123,674.96 : x
  2. Step 2: Convert to fraction form
    281,475.92/422,168.52 = 123,674.96/x
  3. Step 3: Cross multiply
    281,475.92x = 422,168.52 × 123,674.96
  4. Step 4: Simplify right side
    281,475.92x = 52,211,674,824.26
  5. Step 5: Solve for x
    x = 52,211,674,824.26/281,475.92
  6. Step 6: Final answer
    x = 185,492.51

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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.