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Finding the Fourth Proportional to 132,203.52, 182,286.72 and 98,611.20

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Solution

The fourth proportional to 132,203.52, 182,286.72 and 98,611.20 is: 135,968.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,203.52 : 182,286.72 = 98,611.20 : x
  2. Step 2: Convert to fraction form
    132,203.52/182,286.72 = 98,611.20/x
  3. Step 3: Cross multiply
    132,203.52x = 182,286.72 × 98,611.20
  4. Step 4: Simplify right side
    132,203.52x = 17,975,512,203.26
  5. Step 5: Solve for x
    x = 17,975,512,203.26/132,203.52
  6. Step 6: Final answer
    x = 135,968.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.