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Finding the Fourth Proportional to 299,555.94, 449,111.97 and 141,599.82

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Solution

The fourth proportional to 299,555.94, 449,111.97 and 141,599.82 is: 212,294.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,555.94 : 449,111.97 = 141,599.82 : x
  2. Step 2: Convert to fraction form
    299,555.94/449,111.97 = 141,599.82/x
  3. Step 3: Cross multiply
    299,555.94x = 449,111.97 × 141,599.82
  4. Step 4: Simplify right side
    299,555.94x = 63,594,174,111.85
  5. Step 5: Solve for x
    x = 63,594,174,111.85/299,555.94
  6. Step 6: Final answer
    x = 212,294.82

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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.