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Finding the Fourth Proportional to 236,611.88, 326,511.60 and 134,634.32

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Solution

The fourth proportional to 236,611.88, 326,511.60 and 134,634.32 is: 185,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,611.88 : 326,511.60 = 134,634.32 : x
  2. Step 2: Convert to fraction form
    236,611.88/326,511.60 = 134,634.32/x
  3. Step 3: Cross multiply
    236,611.88x = 326,511.60 × 134,634.32
  4. Step 4: Simplify right side
    236,611.88x = 43,959,667,238.11
  5. Step 5: Solve for x
    x = 43,959,667,238.11/236,611.88
  6. Step 6: Final answer
    x = 185,788.08

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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.