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Finding the Fourth Proportional to 448,097.40, 672,131.70 and 148,591.80

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Solution

The fourth proportional to 448,097.40, 672,131.70 and 148,591.80 is: 222,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,097.40 : 672,131.70 = 148,591.80 : x
  2. Step 2: Convert to fraction form
    448,097.40/672,131.70 = 148,591.80/x
  3. Step 3: Cross multiply
    448,097.40x = 672,131.70 × 148,591.80
  4. Step 4: Simplify right side
    448,097.40x = 99,873,259,140.06
  5. Step 5: Solve for x
    x = 99,873,259,140.06/448,097.40
  6. Step 6: Final answer
    x = 222,882.92

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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.