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Finding the Fourth Proportional to 317,641.02, 476,169.12 and 137,613.33

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Solution

The fourth proportional to 317,641.02, 476,169.12 and 137,613.33 is: 206,293.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,641.02 : 476,169.12 = 137,613.33 : x
  2. Step 2: Convert to fraction form
    317,641.02/476,169.12 = 137,613.33/x
  3. Step 3: Cross multiply
    317,641.02x = 476,169.12 × 137,613.33
  4. Step 4: Simplify right side
    317,641.02x = 65,527,215,865.52
  5. Step 5: Solve for x
    x = 65,527,215,865.52/317,641.02
  6. Step 6: Final answer
    x = 206,293.31

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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.