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Finding the Fourth Proportional to 184,903.20, 276,652.80 and 122,695.20

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Solution

The fourth proportional to 184,903.20, 276,652.80 and 122,695.20 is: 183,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,903.20 : 276,652.80 = 122,695.20 : x
  2. Step 2: Convert to fraction form
    184,903.20/276,652.80 = 122,695.20/x
  3. Step 3: Cross multiply
    184,903.20x = 276,652.80 × 122,695.20
  4. Step 4: Simplify right side
    184,903.20x = 33,943,970,626.56
  5. Step 5: Solve for x
    x = 33,943,970,626.56/184,903.20
  6. Step 6: Final answer
    x = 183,576.98

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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.