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Finding the Fourth Proportional to 135,679.25, 203,528.59 and 35,838.45

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Solution

The fourth proportional to 135,679.25, 203,528.59 and 35,838.45 is: 53,760.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,679.25 : 203,528.59 = 35,838.45 : x
  2. Step 2: Convert to fraction form
    135,679.25/203,528.59 = 35,838.45/x
  3. Step 3: Cross multiply
    135,679.25x = 203,528.59 × 35,838.45
  4. Step 4: Simplify right side
    135,679.25x = 7,294,149,106.69
  5. Step 5: Solve for x
    x = 7,294,149,106.69/135,679.25
  6. Step 6: Final answer
    x = 53,760.24

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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.