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Finding the Fourth Proportional to 299,253.95, 449,046.16 and 121,885.82

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Solution

The fourth proportional to 299,253.95, 449,046.16 and 121,885.82 is: 182,896.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,253.95 : 449,046.16 = 121,885.82 : x
  2. Step 2: Convert to fraction form
    299,253.95/449,046.16 = 121,885.82/x
  3. Step 3: Cross multiply
    299,253.95x = 449,046.16 × 121,885.82
  4. Step 4: Simplify right side
    299,253.95x = 54,732,359,429.45
  5. Step 5: Solve for x
    x = 54,732,359,429.45/299,253.95
  6. Step 6: Final answer
    x = 182,896.03

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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.