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Finding the Fourth Proportional to 299,331, 449,070.48 and 88,968.06

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Solution

The fourth proportional to 299,331, 449,070.48 and 88,968.06 is: 133,474.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,331 : 449,070.48 = 88,968.06 : x
  2. Step 2: Convert to fraction form
    299,331/449,070.48 = 88,968.06/x
  3. Step 3: Cross multiply
    299,331x = 449,070.48 × 88,968.06
  4. Step 4: Simplify right side
    299,331x = 39,952,929,408.87
  5. Step 5: Solve for x
    x = 39,952,929,408.87/299,331
  6. Step 6: Final answer
    x = 133,474.08

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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.