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Finding the Fourth Proportional to 133,861.70, 184,734.24 and 73,434.88

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Solution

The fourth proportional to 133,861.70, 184,734.24 and 73,434.88 is: 101,342.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,861.70 : 184,734.24 = 73,434.88 : x
  2. Step 2: Convert to fraction form
    133,861.70/184,734.24 = 73,434.88/x
  3. Step 3: Cross multiply
    133,861.70x = 184,734.24 × 73,434.88
  4. Step 4: Simplify right side
    133,861.70x = 13,565,936,746.29
  5. Step 5: Solve for x
    x = 13,565,936,746.29/133,861.70
  6. Step 6: Final answer
    x = 101,342.93

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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.