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Finding the Fourth Proportional to 339,245.06, 509,100.88 and 117,629.06

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Solution

The fourth proportional to 339,245.06, 509,100.88 and 117,629.06 is: 176,524.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,245.06 : 509,100.88 = 117,629.06 : x
  2. Step 2: Convert to fraction form
    339,245.06/509,100.88 = 117,629.06/x
  3. Step 3: Cross multiply
    339,245.06x = 509,100.88 × 117,629.06
  4. Step 4: Simplify right side
    339,245.06x = 59,885,058,938.25
  5. Step 5: Solve for x
    x = 59,885,058,938.25/339,245.06
  6. Step 6: Final answer
    x = 176,524.48

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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.