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Finding the Fourth Proportional to 201,096.44, 301,437.28 and 90,366.20

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Solution

The fourth proportional to 201,096.44, 301,437.28 and 90,366.20 is: 135,456.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,096.44 : 301,437.28 = 90,366.20 : x
  2. Step 2: Convert to fraction form
    201,096.44/301,437.28 = 90,366.20/x
  3. Step 3: Cross multiply
    201,096.44x = 301,437.28 × 90,366.20
  4. Step 4: Simplify right side
    201,096.44x = 27,239,741,531.94
  5. Step 5: Solve for x
    x = 27,239,741,531.94/201,096.44
  6. Step 6: Final answer
    x = 135,456.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.