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Finding the Fourth Proportional to 111,390.76, 167,102.03 and 36,494.89

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Solution

The fourth proportional to 111,390.76, 167,102.03 and 36,494.89 is: 54,747.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,390.76 : 167,102.03 = 36,494.89 : x
  2. Step 2: Convert to fraction form
    111,390.76/167,102.03 = 36,494.89/x
  3. Step 3: Cross multiply
    111,390.76x = 167,102.03 × 36,494.89
  4. Step 4: Simplify right side
    111,390.76x = 6,098,370,325.47
  5. Step 5: Solve for x
    x = 6,098,370,325.47/111,390.76
  6. Step 6: Final answer
    x = 54,747.54

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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.