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Finding the Fourth Proportional to 270,679.68, 406,010.16 and 70,998.48

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Solution

The fourth proportional to 270,679.68, 406,010.16 and 70,998.48 is: 106,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,679.68 : 406,010.16 = 70,998.48 : x
  2. Step 2: Convert to fraction form
    270,679.68/406,010.16 = 70,998.48/x
  3. Step 3: Cross multiply
    270,679.68x = 406,010.16 × 70,998.48
  4. Step 4: Simplify right side
    270,679.68x = 28,826,104,224.56
  5. Step 5: Solve for x
    x = 28,826,104,224.56/270,679.68
  6. Step 6: Final answer
    x = 106,495.26

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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.