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Finding the Fourth Proportional to 133,914.38, 184,801.82 and 76,554.95

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Solution

The fourth proportional to 133,914.38, 184,801.82 and 76,554.95 is: 105,645.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,914.38 : 184,801.82 = 76,554.95 : x
  2. Step 2: Convert to fraction form
    133,914.38/184,801.82 = 76,554.95/x
  3. Step 3: Cross multiply
    133,914.38x = 184,801.82 × 76,554.95
  4. Step 4: Simplify right side
    133,914.38x = 14,147,492,783.23
  5. Step 5: Solve for x
    x = 14,147,492,783.23/133,914.38
  6. Step 6: Final answer
    x = 105,645.81

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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.