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Finding the Fourth Proportional to 267,487.88, 400,949.02 and 98,899.94

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Solution

The fourth proportional to 267,487.88, 400,949.02 and 98,899.94 is: 148,245.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,487.88 : 400,949.02 = 98,899.94 : x
  2. Step 2: Convert to fraction form
    267,487.88/400,949.02 = 98,899.94/x
  3. Step 3: Cross multiply
    267,487.88x = 400,949.02 × 98,899.94
  4. Step 4: Simplify right side
    267,487.88x = 39,653,835,147.06
  5. Step 5: Solve for x
    x = 39,653,835,147.06/267,487.88
  6. Step 6: Final answer
    x = 148,245.36

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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.