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Finding the Fourth Proportional to 299,097.40, 448,548.90 and 99,383.80

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Solution

The fourth proportional to 299,097.40, 448,548.90 and 99,383.80 is: 149,043.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,097.40 : 448,548.90 = 99,383.80 : x
  2. Step 2: Convert to fraction form
    299,097.40/448,548.90 = 99,383.80/x
  3. Step 3: Cross multiply
    299,097.40x = 448,548.90 × 99,383.80
  4. Step 4: Simplify right side
    299,097.40x = 44,578,494,167.82
  5. Step 5: Solve for x
    x = 44,578,494,167.82/299,097.40
  6. Step 6: Final answer
    x = 149,043.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.