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Finding the Fourth Proportional to 367,157.66, 550,738.92 and 100,946.30

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Solution

The fourth proportional to 367,157.66, 550,738.92 and 100,946.30 is: 151,420.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,157.66 : 550,738.92 = 100,946.30 : x
  2. Step 2: Convert to fraction form
    367,157.66/550,738.92 = 100,946.30/x
  3. Step 3: Cross multiply
    367,157.66x = 550,738.92 × 100,946.30
  4. Step 4: Simplify right side
    367,157.66x = 55,595,054,610.78
  5. Step 5: Solve for x
    x = 55,595,054,610.78/367,157.66
  6. Step 6: Final answer
    x = 151,420.11

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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.