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Finding the Fourth Proportional to 133,691.94, 184,477.30 and 79,957.34

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Solution

The fourth proportional to 133,691.94, 184,477.30 and 79,957.34 is: 110,330.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,691.94 : 184,477.30 = 79,957.34 : x
  2. Step 2: Convert to fraction form
    133,691.94/184,477.30 = 79,957.34/x
  3. Step 3: Cross multiply
    133,691.94x = 184,477.30 × 79,957.34
  4. Step 4: Simplify right side
    133,691.94x = 14,750,314,198.38
  5. Step 5: Solve for x
    x = 14,750,314,198.38/133,691.94
  6. Step 6: Final answer
    x = 110,330.62

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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.