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Finding the Fourth Proportional to 111,250.72, 166,913.34 and 36,374.32

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Solution

The fourth proportional to 111,250.72, 166,913.34 and 36,374.32 is: 54,573.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,250.72 : 166,913.34 = 36,374.32 : x
  2. Step 2: Convert to fraction form
    111,250.72/166,913.34 = 36,374.32/x
  3. Step 3: Cross multiply
    111,250.72x = 166,913.34 × 36,374.32
  4. Step 4: Simplify right side
    111,250.72x = 6,071,359,241.43
  5. Step 5: Solve for x
    x = 6,071,359,241.43/111,250.72
  6. Step 6: Final answer
    x = 54,573.66

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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.