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Finding the Fourth Proportional to 95,103.65, 131,379.74 and 75,958.29

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Solution

The fourth proportional to 95,103.65, 131,379.74 and 75,958.29 is: 104,931.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,103.65 : 131,379.74 = 75,958.29 : x
  2. Step 2: Convert to fraction form
    95,103.65/131,379.74 = 75,958.29/x
  3. Step 3: Cross multiply
    95,103.65x = 131,379.74 × 75,958.29
  4. Step 4: Simplify right side
    95,103.65x = 9,979,380,391.04
  5. Step 5: Solve for x
    x = 9,979,380,391.04/95,103.65
  6. Step 6: Final answer
    x = 104,931.62

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1.5x scale

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.