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Finding the Fourth Proportional to 82,328.88, 113,619.08 and 50,493.44

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Solution

The fourth proportional to 82,328.88, 113,619.08 and 50,493.44 is: 69,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,328.88 : 113,619.08 = 50,493.44 : x
  2. Step 2: Convert to fraction form
    82,328.88/113,619.08 = 50,493.44/x
  3. Step 3: Cross multiply
    82,328.88x = 113,619.08 × 50,493.44
  4. Step 4: Simplify right side
    82,328.88x = 5,737,018,198.84
  5. Step 5: Solve for x
    x = 5,737,018,198.84/82,328.88
  6. Step 6: Final answer
    x = 69,684.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.