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Finding the Fourth Proportional to 231,807.70, 348,039.60 and 181,944.10

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Solution

The fourth proportional to 231,807.70, 348,039.60 and 181,944.10 is: 273,173.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,807.70 : 348,039.60 = 181,944.10 : x
  2. Step 2: Convert to fraction form
    231,807.70/348,039.60 = 181,944.10/x
  3. Step 3: Cross multiply
    231,807.70x = 348,039.60 × 181,944.10
  4. Step 4: Simplify right side
    231,807.70x = 63,323,751,786.36
  5. Step 5: Solve for x
    x = 63,323,751,786.36/231,807.70
  6. Step 6: Final answer
    x = 273,173.63

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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.