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Finding the Fourth Proportional to 118,252.20, 177,464.70 and 83,260.20

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Solution

The fourth proportional to 118,252.20, 177,464.70 and 83,260.20 is: 124,951.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,252.20 : 177,464.70 = 83,260.20 : x
  2. Step 2: Convert to fraction form
    118,252.20/177,464.70 = 83,260.20/x
  3. Step 3: Cross multiply
    118,252.20x = 177,464.70 × 83,260.20
  4. Step 4: Simplify right side
    118,252.20x = 14,775,746,414.94
  5. Step 5: Solve for x
    x = 14,775,746,414.94/118,252.20
  6. Step 6: Final answer
    x = 124,951.13

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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.