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Finding the Fourth Proportional to 224,003.81, 335,889.05 and 105,643.37

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Solution

The fourth proportional to 224,003.81, 335,889.05 and 105,643.37 is: 158,410.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,003.81 : 335,889.05 = 105,643.37 : x
  2. Step 2: Convert to fraction form
    224,003.81/335,889.05 = 105,643.37/x
  3. Step 3: Cross multiply
    224,003.81x = 335,889.05 × 105,643.37
  4. Step 4: Simplify right side
    224,003.81x = 35,484,448,980.44
  5. Step 5: Solve for x
    x = 35,484,448,980.44/224,003.81
  6. Step 6: Final answer
    x = 158,410.03

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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.