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Finding the Fourth Proportional to 281,477.92, 422,171.52 and 123,676.96

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Solution

The fourth proportional to 281,477.92, 422,171.52 and 123,676.96 is: 185,495.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,477.92 : 422,171.52 = 123,676.96 : x
  2. Step 2: Convert to fraction form
    281,477.92/422,171.52 = 123,676.96/x
  3. Step 3: Cross multiply
    281,477.92x = 422,171.52 × 123,676.96
  4. Step 4: Simplify right side
    281,477.92x = 52,212,890,192.18
  5. Step 5: Solve for x
    x = 52,212,890,192.18/281,477.92
  6. Step 6: Final answer
    x = 185,495.51

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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.