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Finding the Fourth Proportional to 373,354.20, 559,930.86 and 136,698.12

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Solution

The fourth proportional to 373,354.20, 559,930.86 and 136,698.12 is: 205,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,354.20 : 559,930.86 = 136,698.12 : x
  2. Step 2: Convert to fraction form
    373,354.20/559,930.86 = 136,698.12/x
  3. Step 3: Cross multiply
    373,354.20x = 559,930.86 × 136,698.12
  4. Step 4: Simplify right side
    373,354.20x = 76,541,495,891.98
  5. Step 5: Solve for x
    x = 76,541,495,891.98/373,354.20
  6. Step 6: Final answer
    x = 205,010.41

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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.