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Finding the Fourth Proportional to 240,855.08, 361,149.90 and 82,953.32

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Solution

The fourth proportional to 240,855.08, 361,149.90 and 82,953.32 is: 124,384.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,855.08 : 361,149.90 = 82,953.32 : x
  2. Step 2: Convert to fraction form
    240,855.08/361,149.90 = 82,953.32/x
  3. Step 3: Cross multiply
    240,855.08x = 361,149.90 × 82,953.32
  4. Step 4: Simplify right side
    240,855.08x = 29,958,583,222.67
  5. Step 5: Solve for x
    x = 29,958,583,222.67/240,855.08
  6. Step 6: Final answer
    x = 124,384.27

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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.