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Finding the Fourth Proportional to 244,904.20, 367,269.90 and 87,137.80

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Solution

The fourth proportional to 244,904.20, 367,269.90 and 87,137.80 is: 130,675.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,904.20 : 367,269.90 = 87,137.80 : x
  2. Step 2: Convert to fraction form
    244,904.20/367,269.90 = 87,137.80/x
  3. Step 3: Cross multiply
    244,904.20x = 367,269.90 × 87,137.80
  4. Step 4: Simplify right side
    244,904.20x = 32,003,091,092.22
  5. Step 5: Solve for x
    x = 32,003,091,092.22/244,904.20
  6. Step 6: Final answer
    x = 130,675.96

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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.