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Finding the Fourth Proportional to 250,062.24, 345,060.24 and 142,624.16

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Solution

The fourth proportional to 250,062.24, 345,060.24 and 142,624.16 is: 196,806.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,062.24 : 345,060.24 = 142,624.16 : x
  2. Step 2: Convert to fraction form
    250,062.24/345,060.24 = 142,624.16/x
  3. Step 3: Cross multiply
    250,062.24x = 345,060.24 × 142,624.16
  4. Step 4: Simplify right side
    250,062.24x = 49,213,926,879.40
  5. Step 5: Solve for x
    x = 49,213,926,879.40/250,062.24
  6. Step 6: Final answer
    x = 196,806.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.