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Finding the Fourth Proportional to 111,750.70, 167,636.18 and 36,871.06

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Solution

The fourth proportional to 111,750.70, 167,636.18 and 36,871.06 is: 55,309.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,750.70 : 167,636.18 = 36,871.06 : x
  2. Step 2: Convert to fraction form
    111,750.70/167,636.18 = 36,871.06/x
  3. Step 3: Cross multiply
    111,750.70x = 167,636.18 × 36,871.06
  4. Step 4: Simplify right side
    111,750.70x = 6,180,923,650.95
  5. Step 5: Solve for x
    x = 6,180,923,650.95/111,750.70
  6. Step 6: Final answer
    x = 55,309.93

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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.