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Finding the Fourth Proportional to 171,065.91, 236,063.52 and 93,540.12

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Solution

The fourth proportional to 171,065.91, 236,063.52 and 93,540.12 is: 129,081.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,065.91 : 236,063.52 = 93,540.12 : x
  2. Step 2: Convert to fraction form
    171,065.91/236,063.52 = 93,540.12/x
  3. Step 3: Cross multiply
    171,065.91x = 236,063.52 × 93,540.12
  4. Step 4: Simplify right side
    171,065.91x = 22,081,409,988.42
  5. Step 5: Solve for x
    x = 22,081,409,988.42/171,065.91
  6. Step 6: Final answer
    x = 129,081.30

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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.