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Finding the Fourth Proportional to 317,306.16, 475,912.26 and 92,606.29

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Solution

The fourth proportional to 317,306.16, 475,912.26 and 92,606.29 is: 138,895.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,306.16 : 475,912.26 = 92,606.29 : x
  2. Step 2: Convert to fraction form
    317,306.16/475,912.26 = 92,606.29/x
  3. Step 3: Cross multiply
    317,306.16x = 475,912.26 × 92,606.29
  4. Step 4: Simplify right side
    317,306.16x = 44,072,467,574.33
  5. Step 5: Solve for x
    x = 44,072,467,574.33/317,306.16
  6. Step 6: Final answer
    x = 138,895.72

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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.