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Finding the Fourth Proportional to 111,773.16, 167,655.90 and 28,667.88

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Solution

The fourth proportional to 111,773.16, 167,655.90 and 28,667.88 is: 43,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,773.16 : 167,655.90 = 28,667.88 : x
  2. Step 2: Convert to fraction form
    111,773.16/167,655.90 = 28,667.88/x
  3. Step 3: Cross multiply
    111,773.16x = 167,655.90 × 28,667.88
  4. Step 4: Simplify right side
    111,773.16x = 4,806,339,222.49
  5. Step 5: Solve for x
    x = 4,806,339,222.49/111,773.16
  6. Step 6: Final answer
    x = 43,000.84

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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.