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Finding the Fourth Proportional to 337,159.70, 505,737.66 and 137,479.31

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Solution

The fourth proportional to 337,159.70, 505,737.66 and 137,479.31 is: 206,218.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,159.70 : 505,737.66 = 137,479.31 : x
  2. Step 2: Convert to fraction form
    337,159.70/505,737.66 = 137,479.31/x
  3. Step 3: Cross multiply
    337,159.70x = 505,737.66 × 137,479.31
  4. Step 4: Simplify right side
    337,159.70x = 69,528,464,537.81
  5. Step 5: Solve for x
    x = 69,528,464,537.81/337,159.70
  6. Step 6: Final answer
    x = 206,218.19

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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.