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Finding the Fourth Proportional to 184,438.80, 276,620.40 and 51,285.60

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Solution

The fourth proportional to 184,438.80, 276,620.40 and 51,285.60 is: 76,917.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,438.80 : 276,620.40 = 51,285.60 : x
  2. Step 2: Convert to fraction form
    184,438.80/276,620.40 = 51,285.60/x
  3. Step 3: Cross multiply
    184,438.80x = 276,620.40 × 51,285.60
  4. Step 4: Simplify right side
    184,438.80x = 14,186,643,186.24
  5. Step 5: Solve for x
    x = 14,186,643,186.24/184,438.80
  6. Step 6: Final answer
    x = 76,917.89

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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.