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Finding the Fourth Proportional to 367,031.61, 550,481.67 and 100,757.07

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Solution

The fourth proportional to 367,031.61, 550,481.67 and 100,757.07 is: 151,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.61 : 550,481.67 = 100,757.07 : x
  2. Step 2: Convert to fraction form
    367,031.61/550,481.67 = 100,757.07/x
  3. Step 3: Cross multiply
    367,031.61x = 550,481.67 × 100,757.07
  4. Step 4: Simplify right side
    367,031.61x = 55,464,920,157.91
  5. Step 5: Solve for x
    x = 55,464,920,157.91/367,031.61
  6. Step 6: Final answer
    x = 151,117.56

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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.