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Finding the Fourth Proportional to 422,500.58, 633,751.95 and 106,957.52

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Solution

The fourth proportional to 422,500.58, 633,751.95 and 106,957.52 is: 160,436.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,500.58 : 633,751.95 = 106,957.52 : x
  2. Step 2: Convert to fraction form
    422,500.58/633,751.95 = 106,957.52/x
  3. Step 3: Cross multiply
    422,500.58x = 633,751.95 × 106,957.52
  4. Step 4: Simplify right side
    422,500.58x = 67,784,536,867.16
  5. Step 5: Solve for x
    x = 67,784,536,867.16/422,500.58
  6. Step 6: Final answer
    x = 160,436.55

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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.