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Finding the Fourth Proportional to 281,622.92, 422,427.08 and 94,634.42

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Solution

The fourth proportional to 281,622.92, 422,427.08 and 94,634.42 is: 141,949.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,622.92 : 422,427.08 = 94,634.42 : x
  2. Step 2: Convert to fraction form
    281,622.92/422,427.08 = 94,634.42/x
  3. Step 3: Cross multiply
    281,622.92x = 422,427.08 × 94,634.42
  4. Step 4: Simplify right side
    281,622.92x = 39,976,139,595.96
  5. Step 5: Solve for x
    x = 39,976,139,595.96/281,622.92
  6. Step 6: Final answer
    x = 141,949.17

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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.