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Finding the Fourth Proportional to 200,995.80, 301,562.52 and 126,025.44

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Solution

The fourth proportional to 200,995.80, 301,562.52 and 126,025.44 is: 189,081.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,995.80 : 301,562.52 = 126,025.44 : x
  2. Step 2: Convert to fraction form
    200,995.80/301,562.52 = 126,025.44/x
  3. Step 3: Cross multiply
    200,995.80x = 301,562.52 × 126,025.44
  4. Step 4: Simplify right side
    200,995.80x = 38,004,549,270.51
  5. Step 5: Solve for x
    x = 38,004,549,270.51/200,995.80
  6. Step 6: Final answer
    x = 189,081.31

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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.