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Finding the Fourth Proportional to 270,625.16, 373,463.44 and 149,774.78

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Solution

The fourth proportional to 270,625.16, 373,463.44 and 149,774.78 is: 206,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,625.16 : 373,463.44 = 149,774.78 : x
  2. Step 2: Convert to fraction form
    270,625.16/373,463.44 = 149,774.78/x
  3. Step 3: Cross multiply
    270,625.16x = 373,463.44 × 149,774.78
  4. Step 4: Simplify right side
    270,625.16x = 55,935,404,564.04
  5. Step 5: Solve for x
    x = 55,935,404,564.04/270,625.16
  6. Step 6: Final answer
    x = 206,689.59

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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.