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Finding the Fourth Proportional to 73,514.70, 110,207.34 and 29,172.60

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Solution

The fourth proportional to 73,514.70, 110,207.34 and 29,172.60 is: 43,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,514.70 : 110,207.34 = 29,172.60 : x
  2. Step 2: Convert to fraction form
    73,514.70/110,207.34 = 29,172.60/x
  3. Step 3: Cross multiply
    73,514.70x = 110,207.34 × 29,172.60
  4. Step 4: Simplify right side
    73,514.70x = 3,215,034,646.88
  5. Step 5: Solve for x
    x = 3,215,034,646.88/73,514.70
  6. Step 6: Final answer
    x = 43,733.22

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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.