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Finding the Fourth Proportional to 229,090.88, 343,553.97 and 79,290.56

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Solution

The fourth proportional to 229,090.88, 343,553.97 and 79,290.56 is: 118,907.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,090.88 : 343,553.97 = 79,290.56 : x
  2. Step 2: Convert to fraction form
    229,090.88/343,553.97 = 79,290.56/x
  3. Step 3: Cross multiply
    229,090.88x = 343,553.97 × 79,290.56
  4. Step 4: Simplify right side
    229,090.88x = 27,240,586,671.52
  5. Step 5: Solve for x
    x = 27,240,586,671.52/229,090.88
  6. Step 6: Final answer
    x = 118,907.34

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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.