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Finding the Fourth Proportional to 215,216.60, 322,436.10 and 184,112.60

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Solution

The fourth proportional to 215,216.60, 322,436.10 and 184,112.60 is: 275,836.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,216.60 : 322,436.10 = 184,112.60 : x
  2. Step 2: Convert to fraction form
    215,216.60/322,436.10 = 184,112.60/x
  3. Step 3: Cross multiply
    215,216.60x = 322,436.10 × 184,112.60
  4. Step 4: Simplify right side
    215,216.60x = 59,364,548,704.86
  5. Step 5: Solve for x
    x = 59,364,548,704.86/215,216.60
  6. Step 6: Final answer
    x = 275,836.29

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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.