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Finding the Fourth Proportional to 133,956.09, 200,924.42 and 53,999.37

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Solution

The fourth proportional to 133,956.09, 200,924.42 and 53,999.37 is: 80,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,956.09 : 200,924.42 = 53,999.37 : x
  2. Step 2: Convert to fraction form
    133,956.09/200,924.42 = 53,999.37/x
  3. Step 3: Cross multiply
    133,956.09x = 200,924.42 × 53,999.37
  4. Step 4: Simplify right side
    133,956.09x = 10,849,791,827.62
  5. Step 5: Solve for x
    x = 10,849,791,827.62/133,956.09
  6. Step 6: Final answer
    x = 80,995.14

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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.