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Finding the Fourth Proportional to 82,329.92, 123,481.95 and 26,162.63

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Solution

The fourth proportional to 82,329.92, 123,481.95 and 26,162.63 is: 39,239.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,329.92 : 123,481.95 = 26,162.63 : x
  2. Step 2: Convert to fraction form
    82,329.92/123,481.95 = 26,162.63/x
  3. Step 3: Cross multiply
    82,329.92x = 123,481.95 × 26,162.63
  4. Step 4: Simplify right side
    82,329.92x = 3,230,612,569.53
  5. Step 5: Solve for x
    x = 3,230,612,569.53/82,329.92
  6. Step 6: Final answer
    x = 39,239.84

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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.