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Finding the Fourth Proportional to 45,166.80, 67,723.20 and 27,649.20

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Solution

The fourth proportional to 45,166.80, 67,723.20 and 27,649.20 is: 41,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,166.80 : 67,723.20 = 27,649.20 : x
  2. Step 2: Convert to fraction form
    45,166.80/67,723.20 = 27,649.20/x
  3. Step 3: Cross multiply
    45,166.80x = 67,723.20 × 27,649.20
  4. Step 4: Simplify right side
    45,166.80x = 1,872,492,301.44
  5. Step 5: Solve for x
    x = 1,872,492,301.44/45,166.80
  6. Step 6: Final answer
    x = 41,457.27

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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.