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Finding the Fourth Proportional to 133,393.55, 200,016.48 and 54,563.15

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Solution

The fourth proportional to 133,393.55, 200,016.48 and 54,563.15 is: 81,814.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,393.55 : 200,016.48 = 54,563.15 : x
  2. Step 2: Convert to fraction form
    133,393.55/200,016.48 = 54,563.15/x
  3. Step 3: Cross multiply
    133,393.55x = 200,016.48 × 54,563.15
  4. Step 4: Simplify right side
    133,393.55x = 10,913,529,200.71
  5. Step 5: Solve for x
    x = 10,913,529,200.71/133,393.55
  6. Step 6: Final answer
    x = 81,814.52

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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.