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Finding the Fourth Proportional to 244,916.20, 367,287.90 and 87,149.80

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Solution

The fourth proportional to 244,916.20, 367,287.90 and 87,149.80 is: 130,693.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,916.20 : 367,287.90 = 87,149.80 : x
  2. Step 2: Convert to fraction form
    244,916.20/367,287.90 = 87,149.80/x
  3. Step 3: Cross multiply
    244,916.20x = 367,287.90 × 87,149.80
  4. Step 4: Simplify right side
    244,916.20x = 32,009,067,027.42
  5. Step 5: Solve for x
    x = 32,009,067,027.42/244,916.20
  6. Step 6: Final answer
    x = 130,693.96

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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.