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Finding the Fourth Proportional to 208,797.48, 312,917.04 and 108,747.63

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Solution

The fourth proportional to 208,797.48, 312,917.04 and 108,747.63 is: 162,976.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,797.48 : 312,917.04 = 108,747.63 : x
  2. Step 2: Convert to fraction form
    208,797.48/312,917.04 = 108,747.63/x
  3. Step 3: Cross multiply
    208,797.48x = 312,917.04 × 108,747.63
  4. Step 4: Simplify right side
    208,797.48x = 34,028,986,486.62
  5. Step 5: Solve for x
    x = 34,028,986,486.62/208,797.48
  6. Step 6: Final answer
    x = 162,976.04

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1.5x scale

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.