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Finding the Fourth Proportional to 281,528.89, 422,293.22 and 113,049.17

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Solution

The fourth proportional to 281,528.89, 422,293.22 and 113,049.17 is: 169,573.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,528.89 : 422,293.22 = 113,049.17 : x
  2. Step 2: Convert to fraction form
    281,528.89/422,293.22 = 113,049.17/x
  3. Step 3: Cross multiply
    281,528.89x = 422,293.22 × 113,049.17
  4. Step 4: Simplify right side
    281,528.89x = 47,739,898,017.63
  5. Step 5: Solve for x
    x = 47,739,898,017.63/281,528.89
  6. Step 6: Final answer
    x = 169,573.71

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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.