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Finding the Fourth Proportional to 337,159.35, 505,238.43 and 137,235.15

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Solution

The fourth proportional to 337,159.35, 505,238.43 and 137,235.15 is: 205,648.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,159.35 : 505,238.43 = 137,235.15 : x
  2. Step 2: Convert to fraction form
    337,159.35/505,238.43 = 137,235.15/x
  3. Step 3: Cross multiply
    337,159.35x = 505,238.43 × 137,235.15
  4. Step 4: Simplify right side
    337,159.35x = 69,336,471,726.81
  5. Step 5: Solve for x
    x = 69,336,471,726.81/337,159.35
  6. Step 6: Final answer
    x = 205,648.97

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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.