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Finding the Fourth Proportional to 325,163.01, 448,742.40 and 181,914.51

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Solution

The fourth proportional to 325,163.01, 448,742.40 and 181,914.51 is: 251,051.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,163.01 : 448,742.40 = 181,914.51 : x
  2. Step 2: Convert to fraction form
    325,163.01/448,742.40 = 181,914.51/x
  3. Step 3: Cross multiply
    325,163.01x = 448,742.40 × 181,914.51
  4. Step 4: Simplify right side
    325,163.01x = 81,632,753,812.22
  5. Step 5: Solve for x
    x = 81,632,753,812.22/325,163.01
  6. Step 6: Final answer
    x = 251,051.78

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Why These Related Problems?

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