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Finding the Fourth Proportional to 235,556.02, 353,161.77 and 75,540.87

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Solution

The fourth proportional to 235,556.02, 353,161.77 and 75,540.87 is: 113,256.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,556.02 : 353,161.77 = 75,540.87 : x
  2. Step 2: Convert to fraction form
    235,556.02/353,161.77 = 75,540.87/x
  3. Step 3: Cross multiply
    235,556.02x = 353,161.77 × 75,540.87
  4. Step 4: Simplify right side
    235,556.02x = 26,678,147,275.84
  5. Step 5: Solve for x
    x = 26,678,147,275.84/235,556.02
  6. Step 6: Final answer
    x = 113,256.06

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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.