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Finding the Fourth Proportional to 59,847.30, 89,904.60 and 50,005.80

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Solution

The fourth proportional to 59,847.30, 89,904.60 and 50,005.80 is: 75,120.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,847.30 : 89,904.60 = 50,005.80 : x
  2. Step 2: Convert to fraction form
    59,847.30/89,904.60 = 50,005.80/x
  3. Step 3: Cross multiply
    59,847.30x = 89,904.60 × 50,005.80
  4. Step 4: Simplify right side
    59,847.30x = 4,495,751,446.68
  5. Step 5: Solve for x
    x = 4,495,751,446.68/59,847.30
  6. Step 6: Final answer
    x = 75,120.37

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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.