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Finding the Fourth Proportional to 199,912.16, 275,833.68 and 119,352.80

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Solution

The fourth proportional to 199,912.16, 275,833.68 and 119,352.80 is: 164,679.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,912.16 : 275,833.68 = 119,352.80 : x
  2. Step 2: Convert to fraction form
    199,912.16/275,833.68 = 119,352.80/x
  3. Step 3: Cross multiply
    199,912.16x = 275,833.68 × 119,352.80
  4. Step 4: Simplify right side
    199,912.16x = 32,921,522,042.30
  5. Step 5: Solve for x
    x = 32,921,522,042.30/199,912.16
  6. Step 6: Final answer
    x = 164,679.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.