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Finding the Fourth Proportional to 133,783.72, 184,619.41 and 73,354.88

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Solution

The fourth proportional to 133,783.72, 184,619.41 and 73,354.88 is: 101,228.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,783.72 : 184,619.41 = 73,354.88 : x
  2. Step 2: Convert to fraction form
    133,783.72/184,619.41 = 73,354.88/x
  3. Step 3: Cross multiply
    133,783.72x = 184,619.41 × 73,354.88
  4. Step 4: Simplify right side
    133,783.72x = 13,542,734,666.22
  5. Step 5: Solve for x
    x = 13,542,734,666.22/133,783.72
  6. Step 6: Final answer
    x = 101,228.57

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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.