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Finding the Fourth Proportional to 188,581.37, 282,465.63 and 88,591.73

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Solution

The fourth proportional to 188,581.37, 282,465.63 and 88,591.73 is: 132,696.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,581.37 : 282,465.63 = 88,591.73 : x
  2. Step 2: Convert to fraction form
    188,581.37/282,465.63 = 88,591.73/x
  3. Step 3: Cross multiply
    188,581.37x = 282,465.63 × 88,591.73
  4. Step 4: Simplify right side
    188,581.37x = 25,024,117,414.91
  5. Step 5: Solve for x
    x = 25,024,117,414.91/188,581.37
  6. Step 6: Final answer
    x = 132,696.66

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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.