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Finding the Fourth Proportional to 422,500.08, 633,751.20 and 106,957.02

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Solution

The fourth proportional to 422,500.08, 633,751.20 and 106,957.02 is: 160,435.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,500.08 : 633,751.20 = 106,957.02 : x
  2. Step 2: Convert to fraction form
    422,500.08/633,751.20 = 106,957.02/x
  3. Step 3: Cross multiply
    422,500.08x = 633,751.20 × 106,957.02
  4. Step 4: Simplify right side
    422,500.08x = 67,784,139,773.42
  5. Step 5: Solve for x
    x = 67,784,139,773.42/422,500.08
  6. Step 6: Final answer
    x = 160,435.80

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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.