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Finding the Fourth Proportional to 123,251.60, 184,877.40 and 108,736.40

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Solution

The fourth proportional to 123,251.60, 184,877.40 and 108,736.40 is: 163,104.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,251.60 : 184,877.40 = 108,736.40 : x
  2. Step 2: Convert to fraction form
    123,251.60/184,877.40 = 108,736.40/x
  3. Step 3: Cross multiply
    123,251.60x = 184,877.40 × 108,736.40
  4. Step 4: Simplify right side
    123,251.60x = 20,102,902,917.36
  5. Step 5: Solve for x
    x = 20,102,902,917.36/123,251.60
  6. Step 6: Final answer
    x = 163,104.60

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1.5x scale

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.