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Finding the Fourth Proportional to 72,500.40, 100,044 and 44,200.44

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Solution

The fourth proportional to 72,500.40, 100,044 and 44,200.44 is: 60,992.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,500.40 : 100,044 = 44,200.44 : x
  2. Step 2: Convert to fraction form
    72,500.40/100,044 = 44,200.44/x
  3. Step 3: Cross multiply
    72,500.40x = 100,044 × 44,200.44
  4. Step 4: Simplify right side
    72,500.40x = 4,421,988,819.36
  5. Step 5: Solve for x
    x = 4,421,988,819.36/72,500.40
  6. Step 6: Final answer
    x = 60,992.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.