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Finding the Fourth Proportional to 307,993.08, 425,037.42 and 180,760.44

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Solution

The fourth proportional to 307,993.08, 425,037.42 and 180,760.44 is: 249,453.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,993.08 : 425,037.42 = 180,760.44 : x
  2. Step 2: Convert to fraction form
    307,993.08/425,037.42 = 180,760.44/x
  3. Step 3: Cross multiply
    307,993.08x = 425,037.42 × 180,760.44
  4. Step 4: Simplify right side
    307,993.08x = 76,829,951,055.66
  5. Step 5: Solve for x
    x = 76,829,951,055.66/307,993.08
  6. Step 6: Final answer
    x = 249,453.50

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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.