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Finding the Fourth Proportional to 154,485.60, 231,874.20 and 95,436.60

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Solution

The fourth proportional to 154,485.60, 231,874.20 and 95,436.60 is: 143,244.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,485.60 : 231,874.20 = 95,436.60 : x
  2. Step 2: Convert to fraction form
    154,485.60/231,874.20 = 95,436.60/x
  3. Step 3: Cross multiply
    154,485.60x = 231,874.20 × 95,436.60
  4. Step 4: Simplify right side
    154,485.60x = 22,129,285,275.72
  5. Step 5: Solve for x
    x = 22,129,285,275.72/154,485.60
  6. Step 6: Final answer
    x = 143,244.97

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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.