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Finding the Fourth Proportional to 281,797.43, 421,754.92 and 167,574.51

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Solution

The fourth proportional to 281,797.43, 421,754.92 and 167,574.51 is: 250,802.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,797.43 : 421,754.92 = 167,574.51 : x
  2. Step 2: Convert to fraction form
    281,797.43/421,754.92 = 167,574.51/x
  3. Step 3: Cross multiply
    281,797.43x = 421,754.92 × 167,574.51
  4. Step 4: Simplify right side
    281,797.43x = 70,675,373,640.15
  5. Step 5: Solve for x
    x = 70,675,373,640.15/281,797.43
  6. Step 6: Final answer
    x = 250,802.06

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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.