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Finding the Fourth Proportional to 133,478.64, 184,198.05 and 73,048.05

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Solution

The fourth proportional to 133,478.64, 184,198.05 and 73,048.05 is: 100,804.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,478.64 : 184,198.05 = 73,048.05 : x
  2. Step 2: Convert to fraction form
    133,478.64/184,198.05 = 73,048.05/x
  3. Step 3: Cross multiply
    133,478.64x = 184,198.05 × 73,048.05
  4. Step 4: Simplify right side
    133,478.64x = 13,455,308,366.30
  5. Step 5: Solve for x
    x = 13,455,308,366.30/133,478.64
  6. Step 6: Final answer
    x = 100,804.96

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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.