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Finding the Fourth Proportional to 281,751.35, 422,493.23 and 163,458.95

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Solution

The fourth proportional to 281,751.35, 422,493.23 and 163,458.95 is: 245,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,751.35 : 422,493.23 = 163,458.95 : x
  2. Step 2: Convert to fraction form
    281,751.35/422,493.23 = 163,458.95/x
  3. Step 3: Cross multiply
    281,751.35x = 422,493.23 × 163,458.95
  4. Step 4: Simplify right side
    281,751.35x = 69,060,299,757.91
  5. Step 5: Solve for x
    x = 69,060,299,757.91/281,751.35
  6. Step 6: Final answer
    x = 245,110.80

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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.