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Finding the Fourth Proportional to 261,537.66, 392,700.15 and 149,344.56

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Solution

The fourth proportional to 261,537.66, 392,700.15 and 149,344.56 is: 224,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,537.66 : 392,700.15 = 149,344.56 : x
  2. Step 2: Convert to fraction form
    261,537.66/392,700.15 = 149,344.56/x
  3. Step 3: Cross multiply
    261,537.66x = 392,700.15 × 149,344.56
  4. Step 4: Simplify right side
    261,537.66x = 58,647,631,113.68
  5. Step 5: Solve for x
    x = 58,647,631,113.68/261,537.66
  6. Step 6: Final answer
    x = 224,241.63

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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.