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Finding the Fourth Proportional to 163,182, 225,198.75 and 95,188.20

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Solution

The fourth proportional to 163,182, 225,198.75 and 95,188.20 is: 131,364.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,182 : 225,198.75 = 95,188.20 : x
  2. Step 2: Convert to fraction form
    163,182/225,198.75 = 95,188.20/x
  3. Step 3: Cross multiply
    163,182x = 225,198.75 × 95,188.20
  4. Step 4: Simplify right side
    163,182x = 21,436,263,654.75
  5. Step 5: Solve for x
    x = 21,436,263,654.75/163,182
  6. Step 6: Final answer
    x = 131,364.14

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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.