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Finding the Fourth Proportional to 186,941.61, 280,352.43 and 80,296.67

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Solution

The fourth proportional to 186,941.61, 280,352.43 and 80,296.67 is: 120,419.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,941.61 : 280,352.43 = 80,296.67 : x
  2. Step 2: Convert to fraction form
    186,941.61/280,352.43 = 80,296.67/x
  3. Step 3: Cross multiply
    186,941.61x = 280,352.43 × 80,296.67
  4. Step 4: Simplify right side
    186,941.61x = 22,511,365,153.65
  5. Step 5: Solve for x
    x = 22,511,365,153.65/186,941.61
  6. Step 6: Final answer
    x = 120,419.23

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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.