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Finding the Fourth Proportional to 366,891.10, 550,336.65 and 156,939.10

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Solution

The fourth proportional to 366,891.10, 550,336.65 and 156,939.10 is: 235,408.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,891.10 : 550,336.65 = 156,939.10 : x
  2. Step 2: Convert to fraction form
    366,891.10/550,336.65 = 156,939.10/x
  3. Step 3: Cross multiply
    366,891.10x = 550,336.65 × 156,939.10
  4. Step 4: Simplify right side
    366,891.10x = 86,369,338,548.02
  5. Step 5: Solve for x
    x = 86,369,338,548.02/366,891.10
  6. Step 6: Final answer
    x = 235,408.65

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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.