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Finding the Fourth Proportional to 188,951.20, 264,881.60 and 188,951.20

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Solution

The fourth proportional to 188,951.20, 264,881.60 and 188,951.20 is: 264,881.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,951.20 : 264,881.60 = 188,951.20 : x
  2. Step 2: Convert to fraction form
    188,951.20/264,881.60 = 188,951.20/x
  3. Step 3: Cross multiply
    188,951.20x = 264,881.60 × 188,951.20
  4. Step 4: Simplify right side
    188,951.20x = 50,049,696,177.92
  5. Step 5: Solve for x
    x = 50,049,696,177.92/188,951.20
  6. Step 6: Final answer
    x = 264,881.60

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.