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Finding the Fourth Proportional to 301,161.29, 451,448.17 and 143,347.37

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Solution

The fourth proportional to 301,161.29, 451,448.17 and 143,347.37 is: 214,881.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,161.29 : 451,448.17 = 143,347.37 : x
  2. Step 2: Convert to fraction form
    301,161.29/451,448.17 = 143,347.37/x
  3. Step 3: Cross multiply
    301,161.29x = 451,448.17 × 143,347.37
  4. Step 4: Simplify right side
    301,161.29x = 64,713,905,245.20
  5. Step 5: Solve for x
    x = 64,713,905,245.20/301,161.29
  6. Step 6: Final answer
    x = 214,881.22

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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.