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Finding the Fourth Proportional to 199,360.49, 298,999.95 and 57,167.67

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Solution

The fourth proportional to 199,360.49, 298,999.95 and 57,167.67 is: 85,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,360.49 : 298,999.95 = 57,167.67 : x
  2. Step 2: Convert to fraction form
    199,360.49/298,999.95 = 57,167.67/x
  3. Step 3: Cross multiply
    199,360.49x = 298,999.95 × 57,167.67
  4. Step 4: Simplify right side
    199,360.49x = 17,093,130,471.62
  5. Step 5: Solve for x
    x = 17,093,130,471.62/199,360.49
  6. Step 6: Final answer
    x = 85,739.81

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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.