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Finding the Fourth Proportional to 299,264.40, 449,042.40 and 121,893.84

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Solution

The fourth proportional to 299,264.40, 449,042.40 and 121,893.84 is: 182,900.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,264.40 : 449,042.40 = 121,893.84 : x
  2. Step 2: Convert to fraction form
    299,264.40/449,042.40 = 121,893.84/x
  3. Step 3: Cross multiply
    299,264.40x = 449,042.40 × 121,893.84
  4. Step 4: Simplify right side
    299,264.40x = 54,735,502,458.82
  5. Step 5: Solve for x
    x = 54,735,502,458.82/299,264.40
  6. Step 6: Final answer
    x = 182,900.15

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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.