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Finding the Fourth Proportional to 299,253.39, 449,045.32 and 121,885.26

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Solution

The fourth proportional to 299,253.39, 449,045.32 and 121,885.26 is: 182,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,253.39 : 449,045.32 = 121,885.26 : x
  2. Step 2: Convert to fraction form
    299,253.39/449,045.32 = 121,885.26/x
  3. Step 3: Cross multiply
    299,253.39x = 449,045.32 × 121,885.26
  4. Step 4: Simplify right side
    299,253.39x = 54,732,005,579.98
  5. Step 5: Solve for x
    x = 54,732,005,579.98/299,253.39
  6. Step 6: Final answer
    x = 182,895.19

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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.