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Finding the Fourth Proportional to 240,485.91, 360,725.21 and 82,715.73

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Solution

The fourth proportional to 240,485.91, 360,725.21 and 82,715.73 is: 124,072.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,485.91 : 360,725.21 = 82,715.73 : x
  2. Step 2: Convert to fraction form
    240,485.91/360,725.21 = 82,715.73/x
  3. Step 3: Cross multiply
    240,485.91x = 360,725.21 × 82,715.73
  4. Step 4: Simplify right side
    240,485.91x = 29,837,648,660.97
  5. Step 5: Solve for x
    x = 29,837,648,660.97/240,485.91
  6. Step 6: Final answer
    x = 124,072.34

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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.