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Finding the Fourth Proportional to 253,904.43, 350,206.16 and 167,763.63

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Solution

The fourth proportional to 253,904.43, 350,206.16 and 167,763.63 is: 231,393.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,904.43 : 350,206.16 = 167,763.63 : x
  2. Step 2: Convert to fraction form
    253,904.43/350,206.16 = 167,763.63/x
  3. Step 3: Cross multiply
    253,904.43x = 350,206.16 × 167,763.63
  4. Step 4: Simplify right side
    253,904.43x = 58,751,855,811.14
  5. Step 5: Solve for x
    x = 58,751,855,811.14/253,904.43
  6. Step 6: Final answer
    x = 231,393.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.