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Finding the Fourth Proportional to 337,159.18, 505,987.62 and 159,665.86

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Solution

The fourth proportional to 337,159.18, 505,987.62 and 159,665.86 is: 239,616.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,159.18 : 505,987.62 = 159,665.86 : x
  2. Step 2: Convert to fraction form
    337,159.18/505,987.62 = 159,665.86/x
  3. Step 3: Cross multiply
    337,159.18x = 505,987.62 × 159,665.86
  4. Step 4: Simplify right side
    337,159.18x = 80,788,948,496.65
  5. Step 5: Solve for x
    x = 80,788,948,496.65/337,159.18
  6. Step 6: Final answer
    x = 239,616.64

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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.