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Finding the Fourth Proportional to 199,027.80, 298,541.70 and 65,912.40

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Solution

The fourth proportional to 199,027.80, 298,541.70 and 65,912.40 is: 98,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,027.80 : 298,541.70 = 65,912.40 : x
  2. Step 2: Convert to fraction form
    199,027.80/298,541.70 = 65,912.40/x
  3. Step 3: Cross multiply
    199,027.80x = 298,541.70 × 65,912.40
  4. Step 4: Simplify right side
    199,027.80x = 19,677,599,947.08
  5. Step 5: Solve for x
    x = 19,677,599,947.08/199,027.80
  6. Step 6: Final answer
    x = 98,868.60

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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.