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Finding the Fourth Proportional to 133,858.69, 184,730.10 and 73,431.88

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Solution

The fourth proportional to 133,858.69, 184,730.10 and 73,431.88 is: 101,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,858.69 : 184,730.10 = 73,431.88 : x
  2. Step 2: Convert to fraction form
    133,858.69/184,730.10 = 73,431.88/x
  3. Step 3: Cross multiply
    133,858.69x = 184,730.10 × 73,431.88
  4. Step 4: Simplify right side
    133,858.69x = 13,565,078,535.59
  5. Step 5: Solve for x
    x = 13,565,078,535.59/133,858.69
  6. Step 6: Final answer
    x = 101,338.80

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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.