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Finding the Fourth Proportional to 188,604.21, 282,935.54 and 88,774.95

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Solution

The fourth proportional to 188,604.21, 282,935.54 and 88,774.95 is: 133,176.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,604.21 : 282,935.54 = 88,774.95 : x
  2. Step 2: Convert to fraction form
    188,604.21/282,935.54 = 88,774.95/x
  3. Step 3: Cross multiply
    188,604.21x = 282,935.54 × 88,774.95
  4. Step 4: Simplify right side
    188,604.21x = 25,117,587,972.85
  5. Step 5: Solve for x
    x = 25,117,587,972.85/188,604.21
  6. Step 6: Final answer
    x = 133,176.18

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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.