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Finding the Fourth Proportional to 133,213.52, 199,815.65 and 33,374.56

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Solution

The fourth proportional to 133,213.52, 199,815.65 and 33,374.56 is: 50,060.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,213.52 : 199,815.65 = 33,374.56 : x
  2. Step 2: Convert to fraction form
    133,213.52/199,815.65 = 33,374.56/x
  3. Step 3: Cross multiply
    133,213.52x = 199,815.65 × 33,374.56
  4. Step 4: Simplify right side
    133,213.52x = 6,668,759,399.86
  5. Step 5: Solve for x
    x = 6,668,759,399.86/133,213.52
  6. Step 6: Final answer
    x = 50,060.68

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1.5x scale

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.