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Finding the Fourth Proportional to 224,119.12, 309,279.06 and 122,147.80

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Solution

The fourth proportional to 224,119.12, 309,279.06 and 122,147.80 is: 168,561.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,119.12 : 309,279.06 = 122,147.80 : x
  2. Step 2: Convert to fraction form
    224,119.12/309,279.06 = 122,147.80/x
  3. Step 3: Cross multiply
    224,119.12x = 309,279.06 × 122,147.80
  4. Step 4: Simplify right side
    224,119.12x = 37,777,756,765.07
  5. Step 5: Solve for x
    x = 37,777,756,765.07/224,119.12
  6. Step 6: Final answer
    x = 168,561.06

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