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Finding the Fourth Proportional to 264,287.70, 395,913.15 and 158,793.30

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Solution

The fourth proportional to 264,287.70, 395,913.15 and 158,793.30 is: 237,878.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,287.70 : 395,913.15 = 158,793.30 : x
  2. Step 2: Convert to fraction form
    264,287.70/395,913.15 = 158,793.30/x
  3. Step 3: Cross multiply
    264,287.70x = 395,913.15 × 158,793.30
  4. Step 4: Simplify right side
    264,287.70x = 62,868,355,601.90
  5. Step 5: Solve for x
    x = 62,868,355,601.90/264,287.70
  6. Step 6: Final answer
    x = 237,878.48

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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.