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Finding the Fourth Proportional to 250,259.68, 345,362.16 and 137,092.96

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Solution

The fourth proportional to 250,259.68, 345,362.16 and 137,092.96 is: 189,190.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,259.68 : 345,362.16 = 137,092.96 : x
  2. Step 2: Convert to fraction form
    250,259.68/345,362.16 = 137,092.96/x
  3. Step 3: Cross multiply
    250,259.68x = 345,362.16 × 137,092.96
  4. Step 4: Simplify right side
    250,259.68x = 47,346,720,786.39
  5. Step 5: Solve for x
    x = 47,346,720,786.39/250,259.68
  6. Step 6: Final answer
    x = 189,190.37

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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.