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Finding the Fourth Proportional to 171,003.70, 235,977.73 and 94,518.82

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Solution

The fourth proportional to 171,003.70, 235,977.73 and 94,518.82 is: 130,431.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,003.70 : 235,977.73 = 94,518.82 : x
  2. Step 2: Convert to fraction form
    171,003.70/235,977.73 = 94,518.82/x
  3. Step 3: Cross multiply
    171,003.70x = 235,977.73 × 94,518.82
  4. Step 4: Simplify right side
    171,003.70x = 22,304,336,585.88
  5. Step 5: Solve for x
    x = 22,304,336,585.88/171,003.70
  6. Step 6: Final answer
    x = 130,431.89

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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.