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Finding the Fourth Proportional to 227,279.63, 340,921.15 and 100,885.89

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Solution

The fourth proportional to 227,279.63, 340,921.15 and 100,885.89 is: 151,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,279.63 : 340,921.15 = 100,885.89 : x
  2. Step 2: Convert to fraction form
    227,279.63/340,921.15 = 100,885.89/x
  3. Step 3: Cross multiply
    227,279.63x = 340,921.15 × 100,885.89
  4. Step 4: Simplify right side
    227,279.63x = 34,394,134,663.81
  5. Step 5: Solve for x
    x = 34,394,134,663.81/227,279.63
  6. Step 6: Final answer
    x = 151,329.60

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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.