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Finding the Fourth Proportional to 199,700.94, 275,622.90 and 118,025.88

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Solution

The fourth proportional to 199,700.94, 275,622.90 and 118,025.88 is: 162,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,700.94 : 275,622.90 = 118,025.88 : x
  2. Step 2: Convert to fraction form
    199,700.94/275,622.90 = 118,025.88/x
  3. Step 3: Cross multiply
    199,700.94x = 275,622.90 × 118,025.88
  4. Step 4: Simplify right side
    199,700.94x = 32,530,635,320.65
  5. Step 5: Solve for x
    x = 32,530,635,320.65/199,700.94
  6. Step 6: Final answer
    x = 162,896.76

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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.