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Finding the Fourth Proportional to 188,352.80, 282,535.44 and 68,348.96

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Solution

The fourth proportional to 188,352.80, 282,535.44 and 68,348.96 is: 102,525.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,352.80 : 282,535.44 = 68,348.96 : x
  2. Step 2: Convert to fraction form
    188,352.80/282,535.44 = 68,348.96/x
  3. Step 3: Cross multiply
    188,352.80x = 282,535.44 × 68,348.96
  4. Step 4: Simplify right side
    188,352.80x = 19,311,003,487.14
  5. Step 5: Solve for x
    x = 19,311,003,487.14/188,352.80
  6. Step 6: Final answer
    x = 102,525.70

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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.