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Finding the Fourth Proportional to 95,299.94, 131,496.72 and 55,015.40

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Solution

The fourth proportional to 95,299.94, 131,496.72 and 55,015.40 is: 75,911.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,299.94 : 131,496.72 = 55,015.40 : x
  2. Step 2: Convert to fraction form
    95,299.94/131,496.72 = 55,015.40/x
  3. Step 3: Cross multiply
    95,299.94x = 131,496.72 × 55,015.40
  4. Step 4: Simplify right side
    95,299.94x = 7,234,344,771.92
  5. Step 5: Solve for x
    x = 7,234,344,771.92/95,299.94
  6. Step 6: Final answer
    x = 75,911.32

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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.