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Finding the Fourth Proportional to 133,967.82, 184,868.91 and 77,375.82

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Solution

The fourth proportional to 133,967.82, 184,868.91 and 77,375.82 is: 106,774.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,967.82 : 184,868.91 = 77,375.82 : x
  2. Step 2: Convert to fraction form
    133,967.82/184,868.91 = 77,375.82/x
  3. Step 3: Cross multiply
    133,967.82x = 184,868.91 × 77,375.82
  4. Step 4: Simplify right side
    133,967.82x = 14,304,383,503.76
  5. Step 5: Solve for x
    x = 14,304,383,503.76/133,967.82
  6. Step 6: Final answer
    x = 106,774.77

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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.