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Finding the Fourth Proportional to 299,007.20, 448,597.20 and 88,650.20

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Solution

The fourth proportional to 299,007.20, 448,597.20 and 88,650.20 is: 133,000.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,007.20 : 448,597.20 = 88,650.20 : x
  2. Step 2: Convert to fraction form
    299,007.20/448,597.20 = 88,650.20/x
  3. Step 3: Cross multiply
    299,007.20x = 448,597.20 × 88,650.20
  4. Step 4: Simplify right side
    299,007.20x = 39,768,231,499.44
  5. Step 5: Solve for x
    x = 39,768,231,499.44/299,007.20
  6. Step 6: Final answer
    x = 133,000.92

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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.