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Finding the Fourth Proportional to 154,624.96, 231,939.60 and 43,816.96

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Solution

The fourth proportional to 154,624.96, 231,939.60 and 43,816.96 is: 65,726.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,624.96 : 231,939.60 = 43,816.96 : x
  2. Step 2: Convert to fraction form
    154,624.96/231,939.60 = 43,816.96/x
  3. Step 3: Cross multiply
    154,624.96x = 231,939.60 × 43,816.96
  4. Step 4: Simplify right side
    154,624.96x = 10,162,888,175.62
  5. Step 5: Solve for x
    x = 10,162,888,175.62/154,624.96
  6. Step 6: Final answer
    x = 65,726.05

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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.