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Finding the Fourth Proportional to 174,124.38, 260,836.56 and 90,843.42

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Solution

The fourth proportional to 174,124.38, 260,836.56 and 90,843.42 is: 136,082.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,124.38 : 260,836.56 = 90,843.42 : x
  2. Step 2: Convert to fraction form
    174,124.38/260,836.56 = 90,843.42/x
  3. Step 3: Cross multiply
    174,124.38x = 260,836.56 × 90,843.42
  4. Step 4: Simplify right side
    174,124.38x = 23,695,285,171.44
  5. Step 5: Solve for x
    x = 23,695,285,171.44/174,124.38
  6. Step 6: Final answer
    x = 136,082.52

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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.