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Finding the Fourth Proportional to 317,382.68, 476,071.97 and 80,723.33

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Solution

The fourth proportional to 317,382.68, 476,071.97 and 80,723.33 is: 121,084.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,382.68 : 476,071.97 = 80,723.33 : x
  2. Step 2: Convert to fraction form
    317,382.68/476,071.97 = 80,723.33/x
  3. Step 3: Cross multiply
    317,382.68x = 476,071.97 × 80,723.33
  4. Step 4: Simplify right side
    317,382.68x = 38,430,114,334.44
  5. Step 5: Solve for x
    x = 38,430,114,334.44/317,382.68
  6. Step 6: Final answer
    x = 121,084.47

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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.