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Finding the Fourth Proportional to 367,031.98, 550,489.03 and 100,730.30

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Solution

The fourth proportional to 367,031.98, 550,489.03 and 100,730.30 is: 151,079.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,031.98 : 550,489.03 = 100,730.30 : x
  2. Step 2: Convert to fraction form
    367,031.98/550,489.03 = 100,730.30/x
  3. Step 3: Cross multiply
    367,031.98x = 550,489.03 × 100,730.30
  4. Step 4: Simplify right side
    367,031.98x = 55,450,925,138.61
  5. Step 5: Solve for x
    x = 55,450,925,138.61/367,031.98
  6. Step 6: Final answer
    x = 151,079.27

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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.