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Finding the Fourth Proportional to 111,240.61, 166,889.17 and 32,354.84

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Solution

The fourth proportional to 111,240.61, 166,889.17 and 32,354.84 is: 48,540.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,240.61 : 166,889.17 = 32,354.84 : x
  2. Step 2: Convert to fraction form
    111,240.61/166,889.17 = 32,354.84/x
  3. Step 3: Cross multiply
    111,240.61x = 166,889.17 × 32,354.84
  4. Step 4: Simplify right side
    111,240.61x = 5,399,671,477.75
  5. Step 5: Solve for x
    x = 5,399,671,477.75/111,240.61
  6. Step 6: Final answer
    x = 48,540.47

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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.