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Finding the Fourth Proportional to 337,159.89, 505,572.53 and 123,919.20

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Solution

The fourth proportional to 337,159.89, 505,572.53 and 123,919.20 is: 185,817.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,159.89 : 505,572.53 = 123,919.20 : x
  2. Step 2: Convert to fraction form
    337,159.89/505,572.53 = 123,919.20/x
  3. Step 3: Cross multiply
    337,159.89x = 505,572.53 × 123,919.20
  4. Step 4: Simplify right side
    337,159.89x = 62,650,142,839.98
  5. Step 5: Solve for x
    x = 62,650,142,839.98/337,159.89
  6. Step 6: Final answer
    x = 185,817.31

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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.