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Finding the Fourth Proportional to 466,127.58, 699,226.61 and 129,164.34

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Solution

The fourth proportional to 466,127.58, 699,226.61 and 129,164.34 is: 193,756.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,127.58 : 699,226.61 = 129,164.34 : x
  2. Step 2: Convert to fraction form
    466,127.58/699,226.61 = 129,164.34/x
  3. Step 3: Cross multiply
    466,127.58x = 699,226.61 × 129,164.34
  4. Step 4: Simplify right side
    466,127.58x = 90,315,143,591.09
  5. Step 5: Solve for x
    x = 90,315,143,591.09/466,127.58
  6. Step 6: Final answer
    x = 193,756.28

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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.