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Finding the Fourth Proportional to 448,677.52, 673,016.57 and 133,131.64

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Solution

The fourth proportional to 448,677.52, 673,016.57 and 133,131.64 is: 199,697.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,677.52 : 673,016.57 = 133,131.64 : x
  2. Step 2: Convert to fraction form
    448,677.52/673,016.57 = 133,131.64/x
  3. Step 3: Cross multiply
    448,677.52x = 673,016.57 × 133,131.64
  4. Step 4: Simplify right side
    448,677.52x = 89,599,799,045.62
  5. Step 5: Solve for x
    x = 89,599,799,045.62/448,677.52
  6. Step 6: Final answer
    x = 199,697.54

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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.