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Finding the Fourth Proportional to 74,762.60, 112,163.70 and 32,624.60

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Solution

The fourth proportional to 74,762.60, 112,163.70 and 32,624.60 is: 48,945.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,762.60 : 112,163.70 = 32,624.60 : x
  2. Step 2: Convert to fraction form
    74,762.60/112,163.70 = 32,624.60/x
  3. Step 3: Cross multiply
    74,762.60x = 112,163.70 × 32,624.60
  4. Step 4: Simplify right side
    74,762.60x = 3,659,295,847.02
  5. Step 5: Solve for x
    x = 3,659,295,847.02/74,762.60
  6. Step 6: Final answer
    x = 48,945.54

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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.