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Finding the Fourth Proportional to 73,272.23, 109,850.93 and 28,932.17

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Solution

The fourth proportional to 73,272.23, 109,850.93 and 28,932.17 is: 43,375.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,272.23 : 109,850.93 = 28,932.17 : x
  2. Step 2: Convert to fraction form
    73,272.23/109,850.93 = 28,932.17/x
  3. Step 3: Cross multiply
    73,272.23x = 109,850.93 × 28,932.17
  4. Step 4: Simplify right side
    73,272.23x = 3,178,226,177.11
  5. Step 5: Solve for x
    x = 3,178,226,177.11/73,272.23
  6. Step 6: Final answer
    x = 43,375.59

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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.