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Finding the Fourth Proportional to 171,554.40, 236,742.21 and 94,029.30

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Solution

The fourth proportional to 171,554.40, 236,742.21 and 94,029.30 is: 129,758.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,554.40 : 236,742.21 = 94,029.30 : x
  2. Step 2: Convert to fraction form
    171,554.40/236,742.21 = 94,029.30/x
  3. Step 3: Cross multiply
    171,554.40x = 236,742.21 × 94,029.30
  4. Step 4: Simplify right side
    171,554.40x = 22,260,704,286.75
  5. Step 5: Solve for x
    x = 22,260,704,286.75/171,554.40
  6. Step 6: Final answer
    x = 129,758.87

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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.