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Finding the Fourth Proportional to 73,954.42, 110,887.18 and 28,922.12

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Solution

The fourth proportional to 73,954.42, 110,887.18 and 28,922.12 is: 43,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,954.42 : 110,887.18 = 28,922.12 : x
  2. Step 2: Convert to fraction form
    73,954.42/110,887.18 = 28,922.12/x
  3. Step 3: Cross multiply
    73,954.42x = 110,887.18 × 28,922.12
  4. Step 4: Simplify right side
    73,954.42x = 3,207,092,326.42
  5. Step 5: Solve for x
    x = 3,207,092,326.42/73,954.42
  6. Step 6: Final answer
    x = 43,365.80

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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.