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Finding the Fourth Proportional to 171,358.21, 236,481.72 and 94,877.30

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Solution

The fourth proportional to 171,358.21, 236,481.72 and 94,877.30 is: 130,934.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,358.21 : 236,481.72 = 94,877.30 : x
  2. Step 2: Convert to fraction form
    171,358.21/236,481.72 = 94,877.30/x
  3. Step 3: Cross multiply
    171,358.21x = 236,481.72 × 94,877.30
  4. Step 4: Simplify right side
    171,358.21x = 22,436,747,328.37
  5. Step 5: Solve for x
    x = 22,436,747,328.37/171,358.21
  6. Step 6: Final answer
    x = 130,934.77

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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.