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Finding the Fourth Proportional to 188,797.59, 260,541.32 and 108,229.95

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Solution

The fourth proportional to 188,797.59, 260,541.32 and 108,229.95 is: 149,357.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,797.59 : 260,541.32 = 108,229.95 : x
  2. Step 2: Convert to fraction form
    188,797.59/260,541.32 = 108,229.95/x
  3. Step 3: Cross multiply
    188,797.59x = 260,541.32 × 108,229.95
  4. Step 4: Simplify right side
    188,797.59x = 28,198,373,495.38
  5. Step 5: Solve for x
    x = 28,198,373,495.38/188,797.59
  6. Step 6: Final answer
    x = 149,357.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.