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Finding the Fourth Proportional to 111,807.63, 167,748.36 and 45,211.41

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Solution

The fourth proportional to 111,807.63, 167,748.36 and 45,211.41 is: 67,832.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,807.63 : 167,748.36 = 45,211.41 : x
  2. Step 2: Convert to fraction form
    111,807.63/167,748.36 = 45,211.41/x
  3. Step 3: Cross multiply
    111,807.63x = 167,748.36 × 45,211.41
  4. Step 4: Simplify right side
    111,807.63x = 7,584,139,880.79
  5. Step 5: Solve for x
    x = 7,584,139,880.79/111,807.63
  6. Step 6: Final answer
    x = 67,832.04

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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.