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Finding the Fourth Proportional to 80,732.50, 111,416.11 and 44,922.50

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Solution

The fourth proportional to 80,732.50, 111,416.11 and 44,922.50 is: 61,995.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,732.50 : 111,416.11 = 44,922.50 : x
  2. Step 2: Convert to fraction form
    80,732.50/111,416.11 = 44,922.50/x
  3. Step 3: Cross multiply
    80,732.50x = 111,416.11 × 44,922.50
  4. Step 4: Simplify right side
    80,732.50x = 5,005,089,949.90
  5. Step 5: Solve for x
    x = 5,005,089,949.90/80,732.50
  6. Step 6: Final answer
    x = 61,995.98

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1.5x scale

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.