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Finding the Fourth Proportional to 184,509.88, 254,665.08 and 120,810.64

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Solution

The fourth proportional to 184,509.88, 254,665.08 and 120,810.64 is: 166,745.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,509.88 : 254,665.08 = 120,810.64 : x
  2. Step 2: Convert to fraction form
    184,509.88/254,665.08 = 120,810.64/x
  3. Step 3: Cross multiply
    184,509.88x = 254,665.08 × 120,810.64
  4. Step 4: Simplify right side
    184,509.88x = 30,766,251,300.45
  5. Step 5: Solve for x
    x = 30,766,251,300.45/184,509.88
  6. Step 6: Final answer
    x = 166,745.82

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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.