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Finding the Fourth Proportional to 140,994.69, 194,606.60 and 95,748.09

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Solution

The fourth proportional to 140,994.69, 194,606.60 and 95,748.09 is: 132,155.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,994.69 : 194,606.60 = 95,748.09 : x
  2. Step 2: Convert to fraction form
    140,994.69/194,606.60 = 95,748.09/x
  3. Step 3: Cross multiply
    140,994.69x = 194,606.60 × 95,748.09
  4. Step 4: Simplify right side
    140,994.69x = 18,633,209,772.65
  5. Step 5: Solve for x
    x = 18,633,209,772.65/140,994.69
  6. Step 6: Final answer
    x = 132,155.40

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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.