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Finding the Fourth Proportional to 281,740.95, 422,611.38 and 170,699.67

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Solution

The fourth proportional to 281,740.95, 422,611.38 and 170,699.67 is: 256,049.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,740.95 : 422,611.38 = 170,699.67 : x
  2. Step 2: Convert to fraction form
    281,740.95/422,611.38 = 170,699.67/x
  3. Step 3: Cross multiply
    281,740.95x = 422,611.38 × 170,699.67
  4. Step 4: Simplify right side
    281,740.95x = 72,139,623,104.24
  5. Step 5: Solve for x
    x = 72,139,623,104.24/281,740.95
  6. Step 6: Final answer
    x = 256,049.48

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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.