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Finding the Fourth Proportional to 154,615.55, 231,978.60 and 95,382.27

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Solution

The fourth proportional to 154,615.55, 231,978.60 and 95,382.27 is: 143,107.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,615.55 : 231,978.60 = 95,382.27 : x
  2. Step 2: Convert to fraction form
    154,615.55/231,978.60 = 95,382.27/x
  3. Step 3: Cross multiply
    154,615.55x = 231,978.60 × 95,382.27
  4. Step 4: Simplify right side
    154,615.55x = 22,126,645,459.42
  5. Step 5: Solve for x
    x = 22,126,645,459.42/154,615.55
  6. Step 6: Final answer
    x = 143,107.51

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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.