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Finding the Fourth Proportional to 131,391.96, 196,367.92 and 95,927.96

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Solution

The fourth proportional to 131,391.96, 196,367.92 and 95,927.96 is: 143,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,391.96 : 196,367.92 = 95,927.96 : x
  2. Step 2: Convert to fraction form
    131,391.96/196,367.92 = 95,927.96/x
  3. Step 3: Cross multiply
    131,391.96x = 196,367.92 × 95,927.96
  4. Step 4: Simplify right side
    131,391.96x = 18,837,173,975.04
  5. Step 5: Solve for x
    x = 18,837,173,975.04/131,391.96
  6. Step 6: Final answer
    x = 143,366.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.