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Finding the Fourth Proportional to 154,525.21, 231,866.93 and 73,563.86

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Solution

The fourth proportional to 154,525.21, 231,866.93 and 73,563.86 is: 110,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,525.21 : 231,866.93 = 73,563.86 : x
  2. Step 2: Convert to fraction form
    154,525.21/231,866.93 = 73,563.86/x
  3. Step 3: Cross multiply
    154,525.21x = 231,866.93 × 73,563.86
  4. Step 4: Simplify right side
    154,525.21x = 17,057,025,422.68
  5. Step 5: Solve for x
    x = 17,057,025,422.68/154,525.21
  6. Step 6: Final answer
    x = 110,383.45

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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.