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Finding the Fourth Proportional to 99,468.97, 149,205.02 and 55,375.97

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Solution

The fourth proportional to 99,468.97, 149,205.02 and 55,375.97 is: 83,064.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,468.97 : 149,205.02 = 55,375.97 : x
  2. Step 2: Convert to fraction form
    99,468.97/149,205.02 = 55,375.97/x
  3. Step 3: Cross multiply
    99,468.97x = 149,205.02 × 55,375.97
  4. Step 4: Simplify right side
    99,468.97x = 8,262,372,807.50
  5. Step 5: Solve for x
    x = 8,262,372,807.50/99,468.97
  6. Step 6: Final answer
    x = 83,064.83

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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.