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Finding the Fourth Proportional to 73,443.12, 110,171.90 and 23,510.64

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Solution

The fourth proportional to 73,443.12, 110,171.90 and 23,510.64 is: 35,268.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,443.12 : 110,171.90 = 23,510.64 : x
  2. Step 2: Convert to fraction form
    73,443.12/110,171.90 = 23,510.64/x
  3. Step 3: Cross multiply
    73,443.12x = 110,171.90 × 23,510.64
  4. Step 4: Simplify right side
    73,443.12x = 2,590,211,879.02
  5. Step 5: Solve for x
    x = 2,590,211,879.02/73,443.12
  6. Step 6: Final answer
    x = 35,268.27

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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.