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Finding the Fourth Proportional to 133,674.82, 184,500.12 and 79,971.82

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Solution

The fourth proportional to 133,674.82, 184,500.12 and 79,971.82 is: 110,378.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,674.82 : 184,500.12 = 79,971.82 : x
  2. Step 2: Convert to fraction form
    133,674.82/184,500.12 = 79,971.82/x
  3. Step 3: Cross multiply
    133,674.82x = 184,500.12 × 79,971.82
  4. Step 4: Simplify right side
    133,674.82x = 14,754,810,386.62
  5. Step 5: Solve for x
    x = 14,754,810,386.62/133,674.82
  6. Step 6: Final answer
    x = 110,378.38

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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.