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Finding the Fourth Proportional to 273,166.02, 409,804.11 and 115,394.22

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Solution

The fourth proportional to 273,166.02, 409,804.11 and 115,394.22 is: 173,114.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,166.02 : 409,804.11 = 115,394.22 : x
  2. Step 2: Convert to fraction form
    273,166.02/409,804.11 = 115,394.22/x
  3. Step 3: Cross multiply
    273,166.02x = 409,804.11 × 115,394.22
  4. Step 4: Simplify right side
    273,166.02x = 47,289,025,626.24
  5. Step 5: Solve for x
    x = 47,289,025,626.24/273,166.02
  6. Step 6: Final answer
    x = 173,114.60

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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.