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Finding the Fourth Proportional to 73,108.80, 100,906.17 and 46,287.09

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Solution

The fourth proportional to 73,108.80, 100,906.17 and 46,287.09 is: 63,886.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,108.80 : 100,906.17 = 46,287.09 : x
  2. Step 2: Convert to fraction form
    73,108.80/100,906.17 = 46,287.09/x
  3. Step 3: Cross multiply
    73,108.80x = 100,906.17 × 46,287.09
  4. Step 4: Simplify right side
    73,108.80x = 4,670,652,972.35
  5. Step 5: Solve for x
    x = 4,670,652,972.35/73,108.80
  6. Step 6: Final answer
    x = 63,886.33

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1.5x scale

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.