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Finding the Fourth Proportional to 98,379.56, 147,600.46 and 35,198.28

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Solution

The fourth proportional to 98,379.56, 147,600.46 and 35,198.28 is: 52,808.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,379.56 : 147,600.46 = 35,198.28 : x
  2. Step 2: Convert to fraction form
    98,379.56/147,600.46 = 35,198.28/x
  3. Step 3: Cross multiply
    98,379.56x = 147,600.46 × 35,198.28
  4. Step 4: Simplify right side
    98,379.56x = 5,195,282,363.21
  5. Step 5: Solve for x
    x = 5,195,282,363.21/98,379.56
  6. Step 6: Final answer
    x = 52,808.55

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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.