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Finding the Fourth Proportional to 133,359.56, 200,039.58 and 54,473.80

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Solution

The fourth proportional to 133,359.56, 200,039.58 and 54,473.80 is: 81,710.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,359.56 : 200,039.58 = 54,473.80 : x
  2. Step 2: Convert to fraction form
    133,359.56/200,039.58 = 54,473.80/x
  3. Step 3: Cross multiply
    133,359.56x = 200,039.58 × 54,473.80
  4. Step 4: Simplify right side
    133,359.56x = 10,896,916,073.00
  5. Step 5: Solve for x
    x = 10,896,916,073.00/133,359.56
  6. Step 6: Final answer
    x = 81,710.80

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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.