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Finding the Fourth Proportional to 466,185.04, 699,208.34 and 129,190.55

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Solution

The fourth proportional to 466,185.04, 699,208.34 and 129,190.55 is: 193,766.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,185.04 : 699,208.34 = 129,190.55 : x
  2. Step 2: Convert to fraction form
    466,185.04/699,208.34 = 129,190.55/x
  3. Step 3: Cross multiply
    466,185.04x = 699,208.34 × 129,190.55
  4. Step 4: Simplify right side
    466,185.04x = 90,331,105,867.19
  5. Step 5: Solve for x
    x = 90,331,105,867.19/466,185.04
  6. Step 6: Final answer
    x = 193,766.63

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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.