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Finding the Fourth Proportional to 110,803.86, 166,200.30 and 40,677.84

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Solution

The fourth proportional to 110,803.86, 166,200.30 and 40,677.84 is: 61,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,803.86 : 166,200.30 = 40,677.84 : x
  2. Step 2: Convert to fraction form
    110,803.86/166,200.30 = 40,677.84/x
  3. Step 3: Cross multiply
    110,803.86x = 166,200.30 × 40,677.84
  4. Step 4: Simplify right side
    110,803.86x = 6,760,669,211.35
  5. Step 5: Solve for x
    x = 6,760,669,211.35/110,803.86
  6. Step 6: Final answer
    x = 61,014.74

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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.