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Finding the Fourth Proportional to 270,689.41, 373,552.10 and 149,839.03

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Solution

The fourth proportional to 270,689.41, 373,552.10 and 149,839.03 is: 206,778.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,689.41 : 373,552.10 = 149,839.03 : x
  2. Step 2: Convert to fraction form
    270,689.41/373,552.10 = 149,839.03/x
  3. Step 3: Cross multiply
    270,689.41x = 373,552.10 × 149,839.03
  4. Step 4: Simplify right side
    270,689.41x = 55,972,684,318.46
  5. Step 5: Solve for x
    x = 55,972,684,318.46/270,689.41
  6. Step 6: Final answer
    x = 206,778.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.