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Finding the Fourth Proportional to 230,613.56, 345,891.72 and 62,147.06

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Solution

The fourth proportional to 230,613.56, 345,891.72 and 62,147.06 is: 93,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,613.56 : 345,891.72 = 62,147.06 : x
  2. Step 2: Convert to fraction form
    230,613.56/345,891.72 = 62,147.06/x
  3. Step 3: Cross multiply
    230,613.56x = 345,891.72 × 62,147.06
  4. Step 4: Simplify right side
    230,613.56x = 21,496,153,476.34
  5. Step 5: Solve for x
    x = 21,496,153,476.34/230,613.56
  6. Step 6: Final answer
    x = 93,212.88

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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.