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Finding the Fourth Proportional to 73,442.52, 110,146.74 and 35,965.20

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Solution

The fourth proportional to 73,442.52, 110,146.74 and 35,965.20 is: 53,939.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,442.52 : 110,146.74 = 35,965.20 : x
  2. Step 2: Convert to fraction form
    73,442.52/110,146.74 = 35,965.20/x
  3. Step 3: Cross multiply
    73,442.52x = 110,146.74 × 35,965.20
  4. Step 4: Simplify right side
    73,442.52x = 3,961,449,533.45
  5. Step 5: Solve for x
    x = 3,961,449,533.45/73,442.52
  6. Step 6: Final answer
    x = 53,939.46

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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.