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Finding the Fourth Proportional to 75,243.98, 103,800.92 and 45,023.22

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Solution

The fourth proportional to 75,243.98, 103,800.92 and 45,023.22 is: 62,110.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,243.98 : 103,800.92 = 45,023.22 : x
  2. Step 2: Convert to fraction form
    75,243.98/103,800.92 = 45,023.22/x
  3. Step 3: Cross multiply
    75,243.98x = 103,800.92 × 45,023.22
  4. Step 4: Simplify right side
    75,243.98x = 4,673,451,042.99
  5. Step 5: Solve for x
    x = 4,673,451,042.99/75,243.98
  6. Step 6: Final answer
    x = 62,110.63

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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.