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Finding the Fourth Proportional to 199,624.20, 299,436.30 and 179,941.20

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Solution

The fourth proportional to 199,624.20, 299,436.30 and 179,941.20 is: 269,911.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,624.20 : 299,436.30 = 179,941.20 : x
  2. Step 2: Convert to fraction form
    199,624.20/299,436.30 = 179,941.20/x
  3. Step 3: Cross multiply
    199,624.20x = 299,436.30 × 179,941.20
  4. Step 4: Simplify right side
    199,624.20x = 53,880,927,145.56
  5. Step 5: Solve for x
    x = 53,880,927,145.56/199,624.20
  6. Step 6: Final answer
    x = 269,911.80

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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.