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Finding the Fourth Proportional to 133,910.70, 184,802.22 and 80,185.02

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Solution

The fourth proportional to 133,910.70, 184,802.22 and 80,185.02 is: 110,658.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,910.70 : 184,802.22 = 80,185.02 : x
  2. Step 2: Convert to fraction form
    133,910.70/184,802.22 = 80,185.02/x
  3. Step 3: Cross multiply
    133,910.70x = 184,802.22 × 80,185.02
  4. Step 4: Simplify right side
    133,910.70x = 14,818,369,706.74
  5. Step 5: Solve for x
    x = 14,818,369,706.74/133,910.70
  6. Step 6: Final answer
    x = 110,658.59

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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.