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Finding the Fourth Proportional to 107,100.66, 160,649.76 and 43,906.66

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Solution

The fourth proportional to 107,100.66, 160,649.76 and 43,906.66 is: 65,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,100.66 : 160,649.76 = 43,906.66 : x
  2. Step 2: Convert to fraction form
    107,100.66/160,649.76 = 43,906.66/x
  3. Step 3: Cross multiply
    107,100.66x = 160,649.76 × 43,906.66
  4. Step 4: Simplify right side
    107,100.66x = 7,053,594,391.40
  5. Step 5: Solve for x
    x = 7,053,594,391.40/107,100.66
  6. Step 6: Final answer
    x = 65,859.49

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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.