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Finding the Fourth Proportional to 76,162.50, 114,295.62 and 45,793.98

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Solution

The fourth proportional to 76,162.50, 114,295.62 and 45,793.98 is: 68,722.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,162.50 : 114,295.62 = 45,793.98 : x
  2. Step 2: Convert to fraction form
    76,162.50/114,295.62 = 45,793.98/x
  3. Step 3: Cross multiply
    76,162.50x = 114,295.62 × 45,793.98
  4. Step 4: Simplify right side
    76,162.50x = 5,234,051,336.37
  5. Step 5: Solve for x
    x = 5,234,051,336.37/76,162.50
  6. Step 6: Final answer
    x = 68,722.16

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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.