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Finding the Fourth Proportional to 184,004.60, 275,909.70 and 78,704.60

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Solution

The fourth proportional to 184,004.60, 275,909.70 and 78,704.60 is: 118,015.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,004.60 : 275,909.70 = 78,704.60 : x
  2. Step 2: Convert to fraction form
    184,004.60/275,909.70 = 78,704.60/x
  3. Step 3: Cross multiply
    184,004.60x = 275,909.70 × 78,704.60
  4. Step 4: Simplify right side
    184,004.60x = 21,715,362,574.62
  5. Step 5: Solve for x
    x = 21,715,362,574.62/184,004.60
  6. Step 6: Final answer
    x = 118,015.32

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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.