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Finding the Fourth Proportional to 248,786.84, 343,054.51 and 168,074.22

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Solution

The fourth proportional to 248,786.84, 343,054.51 and 168,074.22 is: 231,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,786.84 : 343,054.51 = 168,074.22 : x
  2. Step 2: Convert to fraction form
    248,786.84/343,054.51 = 168,074.22/x
  3. Step 3: Cross multiply
    248,786.84x = 343,054.51 × 168,074.22
  4. Step 4: Simplify right side
    248,786.84x = 57,658,619,185.73
  5. Step 5: Solve for x
    x = 57,658,619,185.73/248,786.84
  6. Step 6: Final answer
    x = 231,759.12

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1.5x scale

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.