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Finding the Fourth Proportional to 422,553.08, 633,830.70 and 107,010.02

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Solution

The fourth proportional to 422,553.08, 633,830.70 and 107,010.02 is: 160,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,553.08 : 633,830.70 = 107,010.02 : x
  2. Step 2: Convert to fraction form
    422,553.08/633,830.70 = 107,010.02/x
  3. Step 3: Cross multiply
    422,553.08x = 633,830.70 × 107,010.02
  4. Step 4: Simplify right side
    422,553.08x = 67,826,235,883.61
  5. Step 5: Solve for x
    x = 67,826,235,883.61/422,553.08
  6. Step 6: Final answer
    x = 160,515.30

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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.