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Finding the Fourth Proportional to 73,649.22, 110,480.18 and 20,341.18

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Solution

The fourth proportional to 73,649.22, 110,480.18 and 20,341.18 is: 30,513.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,649.22 : 110,480.18 = 20,341.18 : x
  2. Step 2: Convert to fraction form
    73,649.22/110,480.18 = 20,341.18/x
  3. Step 3: Cross multiply
    73,649.22x = 110,480.18 × 20,341.18
  4. Step 4: Simplify right side
    73,649.22x = 2,247,297,227.81
  5. Step 5: Solve for x
    x = 2,247,297,227.81/73,649.22
  6. Step 6: Final answer
    x = 30,513.52

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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.