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Finding the Fourth Proportional to 222,279.56, 333,453.90 and 74,501

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Solution

The fourth proportional to 222,279.56, 333,453.90 and 74,501 is: 111,763.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,279.56 : 333,453.90 = 74,501 : x
  2. Step 2: Convert to fraction form
    222,279.56/333,453.90 = 74,501/x
  3. Step 3: Cross multiply
    222,279.56x = 333,453.90 × 74,501
  4. Step 4: Simplify right side
    222,279.56x = 24,842,649,003.90
  5. Step 5: Solve for x
    x = 24,842,649,003.90/222,279.56
  6. Step 6: Final answer
    x = 111,763.08

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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.