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Finding the Fourth Proportional to 133,694.60, 184,429.50 and 90,659.54

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Solution

The fourth proportional to 133,694.60, 184,429.50 and 90,659.54 is: 125,063.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,694.60 : 184,429.50 = 90,659.54 : x
  2. Step 2: Convert to fraction form
    133,694.60/184,429.50 = 90,659.54/x
  3. Step 3: Cross multiply
    133,694.60x = 184,429.50 × 90,659.54
  4. Step 4: Simplify right side
    133,694.60x = 16,720,293,632.43
  5. Step 5: Solve for x
    x = 16,720,293,632.43/133,694.60
  6. Step 6: Final answer
    x = 125,063.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.