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Finding the Fourth Proportional to 240,479.54, 360,715.66 and 82,709.36

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Solution

The fourth proportional to 240,479.54, 360,715.66 and 82,709.36 is: 124,062.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,479.54 : 360,715.66 = 82,709.36 : x
  2. Step 2: Convert to fraction form
    240,479.54/360,715.66 = 82,709.36/x
  3. Step 3: Cross multiply
    240,479.54x = 360,715.66 × 82,709.36
  4. Step 4: Simplify right side
    240,479.54x = 29,834,559,163.45
  5. Step 5: Solve for x
    x = 29,834,559,163.45/240,479.54
  6. Step 6: Final answer
    x = 124,062.78

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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.