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Finding the Fourth Proportional to 203,533.52, 304,914.93 and 135,861.51

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Solution

The fourth proportional to 203,533.52, 304,914.93 and 135,861.51 is: 203,535.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,533.52 : 304,914.93 = 135,861.51 : x
  2. Step 2: Convert to fraction form
    203,533.52/304,914.93 = 135,861.51/x
  3. Step 3: Cross multiply
    203,533.52x = 304,914.93 × 135,861.51
  4. Step 4: Simplify right side
    203,533.52x = 41,426,202,388.71
  5. Step 5: Solve for x
    x = 41,426,202,388.71/203,533.52
  6. Step 6: Final answer
    x = 203,535.03

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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.