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Finding the Fourth Proportional to 111,627.76, 167,443.80 and 44,158

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Solution

The fourth proportional to 111,627.76, 167,443.80 and 44,158 is: 66,237.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,627.76 : 167,443.80 = 44,158 : x
  2. Step 2: Convert to fraction form
    111,627.76/167,443.80 = 44,158/x
  3. Step 3: Cross multiply
    111,627.76x = 167,443.80 × 44,158
  4. Step 4: Simplify right side
    111,627.76x = 7,393,983,320.40
  5. Step 5: Solve for x
    x = 7,393,983,320.40/111,627.76
  6. Step 6: Final answer
    x = 66,237.85

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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.