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Finding the Fourth Proportional to 73,418.32, 110,112.90 and 35,962.30

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Solution

The fourth proportional to 73,418.32, 110,112.90 and 35,962.30 is: 53,936.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,418.32 : 110,112.90 = 35,962.30 : x
  2. Step 2: Convert to fraction form
    73,418.32/110,112.90 = 35,962.30/x
  3. Step 3: Cross multiply
    73,418.32x = 110,112.90 × 35,962.30
  4. Step 4: Simplify right side
    73,418.32x = 3,959,913,143.67
  5. Step 5: Solve for x
    x = 3,959,913,143.67/73,418.32
  6. Step 6: Final answer
    x = 53,936.31

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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.