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Finding the Fourth Proportional to 73,914.26, 110,805.57 and 27,156.20

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Solution

The fourth proportional to 73,914.26, 110,805.57 and 27,156.20 is: 40,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,914.26 : 110,805.57 = 27,156.20 : x
  2. Step 2: Convert to fraction form
    73,914.26/110,805.57 = 27,156.20/x
  3. Step 3: Cross multiply
    73,914.26x = 110,805.57 × 27,156.20
  4. Step 4: Simplify right side
    73,914.26x = 3,009,057,666.01
  5. Step 5: Solve for x
    x = 3,009,057,666.01/73,914.26
  6. Step 6: Final answer
    x = 40,710.11

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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.