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Finding the Fourth Proportional to 299,269.96, 448,978.92 and 88,907.56

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Solution

The fourth proportional to 299,269.96, 448,978.92 and 88,907.56 is: 133,383.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,269.96 : 448,978.92 = 88,907.56 : x
  2. Step 2: Convert to fraction form
    299,269.96/448,978.92 = 88,907.56/x
  3. Step 3: Cross multiply
    299,269.96x = 448,978.92 × 88,907.56
  4. Step 4: Simplify right side
    299,269.96x = 39,917,620,268.64
  5. Step 5: Solve for x
    x = 39,917,620,268.64/299,269.96
  6. Step 6: Final answer
    x = 133,383.32

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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.