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Finding the Fourth Proportional to 299,050.44, 448,577.28 and 88,690.20

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Solution

The fourth proportional to 299,050.44, 448,577.28 and 88,690.20 is: 133,035.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,050.44 : 448,577.28 = 88,690.20 : x
  2. Step 2: Convert to fraction form
    299,050.44/448,577.28 = 88,690.20/x
  3. Step 3: Cross multiply
    299,050.44x = 448,577.28 × 88,690.20
  4. Step 4: Simplify right side
    299,050.44x = 39,784,408,678.66
  5. Step 5: Solve for x
    x = 39,784,408,678.66/299,050.44
  6. Step 6: Final answer
    x = 133,035.78

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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.