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Finding the Fourth Proportional to 448,064.24, 672,112.70 and 148,571.02

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Solution

The fourth proportional to 448,064.24, 672,112.70 and 148,571.02 is: 222,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,064.24 : 672,112.70 = 148,571.02 : x
  2. Step 2: Convert to fraction form
    448,064.24/672,112.70 = 148,571.02/x
  3. Step 3: Cross multiply
    448,064.24x = 672,112.70 × 148,571.02
  4. Step 4: Simplify right side
    448,064.24x = 99,856,469,393.95
  5. Step 5: Solve for x
    x = 99,856,469,393.95/448,064.24
  6. Step 6: Final answer
    x = 222,861.95

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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.