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Finding the Fourth Proportional to 133,358.80, 200,151.60 and 54,529.60

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Solution

The fourth proportional to 133,358.80, 200,151.60 and 54,529.60 is: 81,840.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,358.80 : 200,151.60 = 54,529.60 : x
  2. Step 2: Convert to fraction form
    133,358.80/200,151.60 = 54,529.60/x
  3. Step 3: Cross multiply
    133,358.80x = 200,151.60 × 54,529.60
  4. Step 4: Simplify right side
    133,358.80x = 10,914,186,687.36
  5. Step 5: Solve for x
    x = 10,914,186,687.36/133,358.80
  6. Step 6: Final answer
    x = 81,840.77

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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.