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Finding the Fourth Proportional to 99,914.60, 149,858.22 and 33,353.21

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Solution

The fourth proportional to 99,914.60, 149,858.22 and 33,353.21 is: 50,025.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,914.60 : 149,858.22 = 33,353.21 : x
  2. Step 2: Convert to fraction form
    99,914.60/149,858.22 = 33,353.21/x
  3. Step 3: Cross multiply
    99,914.60x = 149,858.22 × 33,353.21
  4. Step 4: Simplify right side
    99,914.60x = 4,998,252,681.89
  5. Step 5: Solve for x
    x = 4,998,252,681.89/99,914.60
  6. Step 6: Final answer
    x = 50,025.25

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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.