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Finding the Fourth Proportional to 188,836.83, 282,847.50 and 88,847.19

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Solution

The fourth proportional to 188,836.83, 282,847.50 and 88,847.19 is: 133,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,836.83 : 282,847.50 = 88,847.19 : x
  2. Step 2: Convert to fraction form
    188,836.83/282,847.50 = 88,847.19/x
  3. Step 3: Cross multiply
    188,836.83x = 282,847.50 × 88,847.19
  4. Step 4: Simplify right side
    188,836.83x = 25,130,205,573.53
  5. Step 5: Solve for x
    x = 25,130,205,573.53/188,836.83
  6. Step 6: Final answer
    x = 133,078.94

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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.