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Finding the Fourth Proportional to 82,366.62, 123,559 and 26,193.59

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Solution

The fourth proportional to 82,366.62, 123,559 and 26,193.59 is: 39,293.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,366.62 : 123,559 = 26,193.59 : x
  2. Step 2: Convert to fraction form
    82,366.62/123,559 = 26,193.59/x
  3. Step 3: Cross multiply
    82,366.62x = 123,559 × 26,193.59
  4. Step 4: Simplify right side
    82,366.62x = 3,236,453,786.81
  5. Step 5: Solve for x
    x = 3,236,453,786.81/82,366.62
  6. Step 6: Final answer
    x = 39,293.27

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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.