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Finding the Fourth Proportional to 199,577.52, 299,207.22 and 115,241.94

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Solution

The fourth proportional to 199,577.52, 299,207.22 and 115,241.94 is: 172,771.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,577.52 : 299,207.22 = 115,241.94 : x
  2. Step 2: Convert to fraction form
    199,577.52/299,207.22 = 115,241.94/x
  3. Step 3: Cross multiply
    199,577.52x = 299,207.22 × 115,241.94
  4. Step 4: Simplify right side
    199,577.52x = 34,481,220,494.81
  5. Step 5: Solve for x
    x = 34,481,220,494.81/199,577.52
  6. Step 6: Final answer
    x = 172,771.06

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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.