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Finding the Fourth Proportional to 270,773.88, 406,159.44 and 68,370.36

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Solution

The fourth proportional to 270,773.88, 406,159.44 and 68,370.36 is: 102,555.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,773.88 : 406,159.44 = 68,370.36 : x
  2. Step 2: Convert to fraction form
    270,773.88/406,159.44 = 68,370.36/x
  3. Step 3: Cross multiply
    270,773.88x = 406,159.44 × 68,370.36
  4. Step 4: Simplify right side
    270,773.88x = 27,769,267,130.20
  5. Step 5: Solve for x
    x = 27,769,267,130.20/270,773.88
  6. Step 6: Final answer
    x = 102,555.19

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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.