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Finding the Fourth Proportional to 73,012.88, 109,538.75 and 23,093.88

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Solution

The fourth proportional to 73,012.88, 109,538.75 and 23,093.88 is: 34,646.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,012.88 : 109,538.75 = 23,093.88 : x
  2. Step 2: Convert to fraction form
    73,012.88/109,538.75 = 23,093.88/x
  3. Step 3: Cross multiply
    73,012.88x = 109,538.75 × 23,093.88
  4. Step 4: Simplify right side
    73,012.88x = 2,529,674,805.58
  5. Step 5: Solve for x
    x = 2,529,674,805.58/73,012.88
  6. Step 6: Final answer
    x = 34,646.97

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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.