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Finding the Fourth Proportional to 82,794.45, 124,144.92 and 28,733.77

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Solution

The fourth proportional to 82,794.45, 124,144.92 and 28,733.77 is: 43,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,794.45 : 124,144.92 = 28,733.77 : x
  2. Step 2: Convert to fraction form
    82,794.45/124,144.92 = 28,733.77/x
  3. Step 3: Cross multiply
    82,794.45x = 124,144.92 × 28,733.77
  4. Step 4: Simplify right side
    82,794.45x = 3,567,151,733.13
  5. Step 5: Solve for x
    x = 3,567,151,733.13/82,794.45
  6. Step 6: Final answer
    x = 43,084.43

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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.