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Finding the Fourth Proportional to 247,162.80, 370,410.48 and 180,289.20

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Solution

The fourth proportional to 247,162.80, 370,410.48 and 180,289.20 is: 270,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,162.80 : 370,410.48 = 180,289.20 : x
  2. Step 2: Convert to fraction form
    247,162.80/370,410.48 = 180,289.20/x
  3. Step 3: Cross multiply
    247,162.80x = 370,410.48 × 180,289.20
  4. Step 4: Simplify right side
    247,162.80x = 66,781,009,110.82
  5. Step 5: Solve for x
    x = 66,781,009,110.82/247,162.80
  6. Step 6: Final answer
    x = 270,190.37

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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.