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Finding the Fourth Proportional to 71,804.50, 99,025.70 and 44,949.45

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Solution

The fourth proportional to 71,804.50, 99,025.70 and 44,949.45 is: 61,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,804.50 : 99,025.70 = 44,949.45 : x
  2. Step 2: Convert to fraction form
    71,804.50/99,025.70 = 44,949.45/x
  3. Step 3: Cross multiply
    71,804.50x = 99,025.70 × 44,949.45
  4. Step 4: Simplify right side
    71,804.50x = 4,451,150,526.12
  5. Step 5: Solve for x
    x = 4,451,150,526.12/71,804.50
  6. Step 6: Final answer
    x = 61,989.86

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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.