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Finding the Fourth Proportional to 123,104.64, 184,591.32 and 63,880.68

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Solution

The fourth proportional to 123,104.64, 184,591.32 and 63,880.68 is: 95,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,104.64 : 184,591.32 = 63,880.68 : x
  2. Step 2: Convert to fraction form
    123,104.64/184,591.32 = 63,880.68/x
  3. Step 3: Cross multiply
    123,104.64x = 184,591.32 × 63,880.68
  4. Step 4: Simplify right side
    123,104.64x = 11,791,819,043.70
  5. Step 5: Solve for x
    x = 11,791,819,043.70/123,104.64
  6. Step 6: Final answer
    x = 95,786.96

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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.