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Finding the Fourth Proportional to 188,074.67, 282,209.00 and 124,938.41

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Solution

The fourth proportional to 188,074.67, 282,209.00 and 124,938.41 is: 187,472.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,074.67 : 282,209.00 = 124,938.41 : x
  2. Step 2: Convert to fraction form
    188,074.67/282,209.00 = 124,938.41/x
  3. Step 3: Cross multiply
    188,074.67x = 282,209.00 × 124,938.41
  4. Step 4: Simplify right side
    188,074.67x = 35,258,741,711.95
  5. Step 5: Solve for x
    x = 35,258,741,711.95/188,074.67
  6. Step 6: Final answer
    x = 187,472.04

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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.