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Finding the Fourth Proportional to 133,679.78, 184,478.14 and 73,249.93

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Solution

The fourth proportional to 133,679.78, 184,478.14 and 73,249.93 is: 101,084.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,679.78 : 184,478.14 = 73,249.93 : x
  2. Step 2: Convert to fraction form
    133,679.78/184,478.14 = 73,249.93/x
  3. Step 3: Cross multiply
    133,679.78x = 184,478.14 × 73,249.93
  4. Step 4: Simplify right side
    133,679.78x = 13,513,010,841.53
  5. Step 5: Solve for x
    x = 13,513,010,841.53/133,679.78
  6. Step 6: Final answer
    x = 101,084.93

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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.