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Finding the Fourth Proportional to 248,821.80, 349,087.80 and 248,821.80

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Solution

The fourth proportional to 248,821.80, 349,087.80 and 248,821.80 is: 349,087.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,821.80 : 349,087.80 = 248,821.80 : x
  2. Step 2: Convert to fraction form
    248,821.80/349,087.80 = 248,821.80/x
  3. Step 3: Cross multiply
    248,821.80x = 349,087.80 × 248,821.80
  4. Step 4: Simplify right side
    248,821.80x = 86,860,654,754.04
  5. Step 5: Solve for x
    x = 86,860,654,754.04/248,821.80
  6. Step 6: Final answer
    x = 349,087.80

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.