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Finding the Fourth Proportional to 468,855.36, 703,273.20 and 113,871.12

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Solution

The fourth proportional to 468,855.36, 703,273.20 and 113,871.12 is: 170,804.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,855.36 : 703,273.20 = 113,871.12 : x
  2. Step 2: Convert to fraction form
    468,855.36/703,273.20 = 113,871.12/x
  3. Step 3: Cross multiply
    468,855.36x = 703,273.20 × 113,871.12
  4. Step 4: Simplify right side
    468,855.36x = 80,082,506,949.98
  5. Step 5: Solve for x
    x = 80,082,506,949.98/468,855.36
  6. Step 6: Final answer
    x = 170,804.29

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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.