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Finding the Fourth Proportional to 171,060.78, 236,054.30 and 94,575.40

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Solution

The fourth proportional to 171,060.78, 236,054.30 and 94,575.40 is: 130,508.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,060.78 : 236,054.30 = 94,575.40 : x
  2. Step 2: Convert to fraction form
    171,060.78/236,054.30 = 94,575.40/x
  3. Step 3: Cross multiply
    171,060.78x = 236,054.30 × 94,575.40
  4. Step 4: Simplify right side
    171,060.78x = 22,324,929,844.22
  5. Step 5: Solve for x
    x = 22,324,929,844.22/171,060.78
  6. Step 6: Final answer
    x = 130,508.76

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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.