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Finding the Fourth Proportional to 184,965.81, 277,282.17 and 66,553.88

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Solution

The fourth proportional to 184,965.81, 277,282.17 and 66,553.88 is: 99,770.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,965.81 : 277,282.17 = 66,553.88 : x
  2. Step 2: Convert to fraction form
    184,965.81/277,282.17 = 66,553.88/x
  3. Step 3: Cross multiply
    184,965.81x = 277,282.17 × 66,553.88
  4. Step 4: Simplify right side
    184,965.81x = 18,454,202,881.91
  5. Step 5: Solve for x
    x = 18,454,202,881.91/184,965.81
  6. Step 6: Final answer
    x = 99,770.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.