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Finding the Fourth Proportional to 466,129.58, 699,229.61 and 129,166.34

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Solution

The fourth proportional to 466,129.58, 699,229.61 and 129,166.34 is: 193,759.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,129.58 : 699,229.61 = 129,166.34 : x
  2. Step 2: Convert to fraction form
    466,129.58/699,229.61 = 129,166.34/x
  3. Step 3: Cross multiply
    466,129.58x = 699,229.61 × 129,166.34
  4. Step 4: Simplify right side
    466,129.58x = 90,316,929,543.33
  5. Step 5: Solve for x
    x = 90,316,929,543.33/466,129.58
  6. Step 6: Final answer
    x = 193,759.28

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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.