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Finding the Fourth Proportional to 154,079.80, 231,141.30 and 60,563.80

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Solution

The fourth proportional to 154,079.80, 231,141.30 and 60,563.80 is: 90,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,079.80 : 231,141.30 = 60,563.80 : x
  2. Step 2: Convert to fraction form
    154,079.80/231,141.30 = 60,563.80/x
  3. Step 3: Cross multiply
    154,079.80x = 231,141.30 × 60,563.80
  4. Step 4: Simplify right side
    154,079.80x = 13,998,795,464.94
  5. Step 5: Solve for x
    x = 13,998,795,464.94/154,079.80
  6. Step 6: Final answer
    x = 90,854.19

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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.