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Finding the Fourth Proportional to 171,290.70, 236,375.13 and 94,809.94

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Solution

The fourth proportional to 171,290.70, 236,375.13 and 94,809.94 is: 130,834.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,290.70 : 236,375.13 = 94,809.94 : x
  2. Step 2: Convert to fraction form
    171,290.70/236,375.13 = 94,809.94/x
  3. Step 3: Cross multiply
    171,290.70x = 236,375.13 × 94,809.94
  4. Step 4: Simplify right side
    171,290.70x = 22,410,711,788.89
  5. Step 5: Solve for x
    x = 22,410,711,788.89/171,290.70
  6. Step 6: Final answer
    x = 130,834.38

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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.