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Finding the Fourth Proportional to 133,554.85, 184,310.30 and 73,125.95

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Solution

The fourth proportional to 133,554.85, 184,310.30 and 73,125.95 is: 100,916.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,554.85 : 184,310.30 = 73,125.95 : x
  2. Step 2: Convert to fraction form
    133,554.85/184,310.30 = 73,125.95/x
  3. Step 3: Cross multiply
    133,554.85x = 184,310.30 × 73,125.95
  4. Step 4: Simplify right side
    133,554.85x = 13,477,865,043.55
  5. Step 5: Solve for x
    x = 13,477,865,043.55/133,554.85
  6. Step 6: Final answer
    x = 100,916.33

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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.