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Finding the Fourth Proportional to 107,882.88, 161,893.44 and 52,448.64

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Solution

The fourth proportional to 107,882.88, 161,893.44 and 52,448.64 is: 78,706.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,882.88 : 161,893.44 = 52,448.64 : x
  2. Step 2: Convert to fraction form
    107,882.88/161,893.44 = 52,448.64/x
  3. Step 3: Cross multiply
    107,882.88x = 161,893.44 × 52,448.64
  4. Step 4: Simplify right side
    107,882.88x = 8,491,090,752.92
  5. Step 5: Solve for x
    x = 8,491,090,752.92/107,882.88
  6. Step 6: Final answer
    x = 78,706.56

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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.