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Finding the Fourth Proportional to 133,327.59, 199,500 and 80,051.94

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Solution

The fourth proportional to 133,327.59, 199,500 and 80,051.94 is: 119,782.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,327.59 : 199,500 = 80,051.94 : x
  2. Step 2: Convert to fraction form
    133,327.59/199,500 = 80,051.94/x
  3. Step 3: Cross multiply
    133,327.59x = 199,500 × 80,051.94
  4. Step 4: Simplify right side
    133,327.59x = 15,970,362,030
  5. Step 5: Solve for x
    x = 15,970,362,030/133,327.59
  6. Step 6: Final answer
    x = 119,782.87

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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.