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Finding the Fourth Proportional to 171,257.94, 236,336.40 and 94,782.31

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Solution

The fourth proportional to 171,257.94, 236,336.40 and 94,782.31 is: 130,799.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,257.94 : 236,336.40 = 94,782.31 : x
  2. Step 2: Convert to fraction form
    171,257.94/236,336.40 = 94,782.31/x
  3. Step 3: Cross multiply
    171,257.94x = 236,336.40 × 94,782.31
  4. Step 4: Simplify right side
    171,257.94x = 22,400,509,405.76
  5. Step 5: Solve for x
    x = 22,400,509,405.76/171,257.94
  6. Step 6: Final answer
    x = 130,799.83

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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.