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Finding the Fourth Proportional to 422,551.33, 633,828.08 and 107,008.27

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Solution

The fourth proportional to 422,551.33, 633,828.08 and 107,008.27 is: 160,512.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,551.33 : 633,828.08 = 107,008.27 : x
  2. Step 2: Convert to fraction form
    422,551.33/633,828.08 = 107,008.27/x
  3. Step 3: Cross multiply
    422,551.33x = 633,828.08 × 107,008.27
  4. Step 4: Simplify right side
    422,551.33x = 67,824,845,783.18
  5. Step 5: Solve for x
    x = 67,824,845,783.18/422,551.33
  6. Step 6: Final answer
    x = 160,512.68

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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.